45 i think so...
None. The sum of one digit can't be twice the size of the digit.
two consecutive 4- digit numbers have a sum of 9173.what are the numbers?
Only one . . . . . 18
The sum is the total of numbers added together.
It is not clear what the question means: there are 31 2-digit numbers that can be expressed as a sum of two squares.
There are four of each.
Only one . . . 999 .
what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?
2,4,6,8,10,12,14,16,18
1
There are 5460 five digit numbers with a digit sum of 22.
There are five such numbers.
111 and 201
9
There are many answers. Here is one: 58 and 20
"Sum" requires at least two numbers. So there cannot be athree digit number that sums to anything.
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.