Numbers / 238

The Number 238

238 is composite: factorization 2 × 7 × 17. That gives 238 exactly 8 divisors: 1, 2, 7, 14, 17, 34, 119, 238. 238's proper divisors total just 194, 44 short of 238, the deficient case most of 238's neighbors share too. 238 has a digit sum of 13; for 238, the digital root works out to 4. 238: 2, 7 all divide 238 evenly, out of 2-12. 238 is 11101110 in binary and EE in hex; as a Roman numeral it's CCXXXVIII.