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Q: What is the perfect number between 490 and 500?
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What is the perfect number between 480 and 500?

496 An integer is a perfect number if it is equal to the sum of its positive divisors - not including itself. 496 = 1 + 2 + 4 + 8 + 16 + 31 + 62 + 124 + 248.


What number is 10 more than 490?

It is: 490+10 = 500


What is 489.612 rounded to the nearest whole number?

489.612 rounded to the nearest whole number = 490


What is 492 rounded to the nearest tens?

490


How many multiples of 7 are there between 200 and 500?

Step-by-step explanation: The greatest number between 200 and 500 that is divisible by 7 is 497. So the multiples of 7 in this range are 203, 210, 217, 224, … 490, 497.


What does roman numeral CDXC mean?

The Roman numeral CDXC represents the number 490. C (100) is subtracted from D (500) to give 400, and XC (90) is added to 400 to get 490.


How do you write 490 in roman number?

On Converting between Arabic and Roman Numbers we get: 490 in roman numerals is written as : CDXC where 400=CD XC=90.


What is 487 rounded to the nearest ten?

490


When rounding to the nearest ten what is the least whole number that rounds to 490?

485


What is XD Roman Numerals?

That is improperly formed. It could be interpreted as 490 (500 - 10)


What is the number round off 486?

The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.


What are the 'perfect' number between 400 and 500?

There is only one Perfect Number within this range : 496. If 2ⁿ - 1 is prime then 2ⁿ⁻¹(2ⁿ - 1) is a perfect number. In this instance n = 5 then, 2⁴(2⁵ - 1) = 16 x 31 = 496...........and 31 is a prime number.