Numbers / 274
The Number 274
274 is composite: factorization 2 × 137. That gives 274 exactly 4 divisors: 1, 2, 137, 274. 274's proper divisors total just 140, 134 short of 274, the deficient case most of 274's neighbors share too. 274 has a digit sum of 13; for 274, the digital root works out to 4. 274: 2 all divide 274 evenly, out of 2-12. 274 is 100010010 in binary and 112 in hex; as a Roman numeral it's CCLXXIV.