Numbers / 504
The Number 504
504 is composite: factorization 2^3 × 3^2 × 7. That gives 504 exactly 24 divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504. 504's proper divisors total 1056, 552 more than 504 itself, so 504 is abundant. 504 has a digit sum of 9; for 504, the digital root works out to 9. 504: 2, 3, 4, 6, 7, 8, 9, 12 all divide 504 evenly, out of 2-12. 504 is 111111000 in binary and 1F8 in hex; as a Roman numeral it's DIV.