15000
10,002
All five digit numbers have three digits. The smallest five digit whole number is 10,000
to be divisible by 5 the last digit of the number has to be 0 or 5
If the units digit is a five or a zero, then the number may be evenly divided by five. (Zero itself exempted.)
100
The highest six-digit number divisible by 3, 4, and 5 is 999960.
There are 180 3-digit numbers divisible by five.
33333
12008
The word "the" in your question implies that there is only one: in fact there are 60 of them. One of these is 600.
11,115
24000
15000
10,002
A 4-digit number divisible by both 5 and 9 must be divisible by their least common multiple, which is 45. To find a 4-digit number divisible by 45, we need to find a number that ends in 0 and is divisible by 45. The smallest 4-digit number that fits these criteria is 1005 (45 x 22 = 990, and adding 15 gives us 1005).
53627 is a whole number that falls between 53626 and 53628. It is a five-digit number that is not divisible by 2.