Numbers / 772

The Number 772

772 is composite: factorization 2^2 × 193. That gives 772 exactly 6 divisors: 1, 2, 4, 193, 386, 772. 772's proper divisors total just 586, 186 short of 772, the deficient case most of 772's neighbors share too. 772 has a digit sum of 16; for 772, the digital root works out to 7. 772: 2, 4 all divide 772 evenly, out of 2-12. 772 is 1100000100 in binary and 304 in hex; as a Roman numeral it's DCCLXXII.