2499
4,500,000,000
2 000 000
4 500 000
5499
750,000
24500
86499
10.43
It depends on the level to which it is rounded. To the nearest integer, it would be 6 000 000.5 To the nearest million, 6 500 000.
14999
example: 489 127 to nearest thousand.
The largest 4 digit number that can be rounded off to 3000 is 3499. If 3499 is rounded to nearest thousand then we get 3000 but if we consider a number greater than 3499 then rounding off yields 4000. So, 3499 is the required number.