Numbers / 252
The Number 252
252 is composite: factorization 2^2 × 3^2 × 7. That gives 252 exactly 18 divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252. 252's proper divisors total 476, 224 more than 252 itself, so 252 is abundant. 252 is also a palindrome, since 252 reads identically forwards and backwards. 252 has a digit sum of 9; for 252, the digital root works out to 9. 252: 2, 3, 4, 6, 7, 9, 12 all divide 252 evenly, out of 2-12. 252 is 11111100 in binary and FC in hex; as a Roman numeral it's CCLII.