Numbers / 756
The Number 756
756 is composite: factorization 2^2 × 3^3 × 7. That gives 756 exactly 24 divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756. 756's proper divisors total 1484, 728 more than 756 itself, so 756 is abundant. 756 has a digit sum of 18; for 756, the digital root works out to 9. 756: 2, 3, 4, 6, 7, 9, 12 all divide 756 evenly, out of 2-12. 756 is 1011110100 in binary and 2F4 in hex; as a Roman numeral it's DCCLVI.