Numbers / 972

The Number 972

972 is composite: factorization 2^2 × 3^5. That gives 972 exactly 18 divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972. 972's proper divisors total 1576, 604 more than 972 itself, so 972 is abundant. 972 has a digit sum of 18; for 972, the digital root works out to 9. 972: 2, 3, 4, 6, 9, 12 all divide 972 evenly, out of 2-12. 972 is 1111001100 in binary and 3CC in hex; as a Roman numeral it's CMLXXII.