Numbers / 957

The Number 957

957 is composite: factorization 3 × 11 × 29. That gives 957 exactly 8 divisors: 1, 3, 11, 29, 33, 87, 319, 957. 957's proper divisors total just 483, 474 short of 957, the deficient case most of 957's neighbors share too. 957 has a digit sum of 21; for 957, the digital root works out to 3. 957: 3, 11 all divide 957 evenly, out of 2-12. 957 is 1110111101 in binary and 3BD in hex; as a Roman numeral it's CMLVII.