Numbers / 237
The Number 237
237 is composite: factorization 3 × 79. That gives 237 exactly 4 divisors: 1, 3, 79, 237. 237's proper divisors total just 83, 154 short of 237, the deficient case most of 237's neighbors share too. 237 has a digit sum of 12; for 237, the digital root works out to 3. 237: 3 all divide 237 evenly, out of 2-12. 237 is 11101101 in binary and ED in hex; as a Roman numeral it's CCXXXVII.