3
There are 504 such numbers.
There are 504 of them.
1 x 2 x 252 = 504
511
10
500 + 4.
504 = 8 x 9 x 7
504 / 3 = 168 then add 1 on and take 1 off so 167 + 168 + 169 = 504
No whole numbers fulfill that condition.
The numbers are -169, -168 and -167.
Any of its factors including itself
504, 1008, 1512 and just keep adding 504 until you get to infinity.