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231464232 = 233219169199
BaseRepresentation
bin11011100101111…
…01110100101000
3121010112121020100
431302331310220
5433223323412
634545025400
75510261556
oct1562756450
9533477210
10231464232
1110972355a
1265625260
1338c528ac
1422a52bd6
15154c1edc
hexdcbdd28

231464232 has 48 divisors (see below), whose sum is σ = 659880000. Its totient is φ = 73093536.

The previous prime is 231464221. The next prime is 231464243. The reversal of 231464232 is 232464132.

231464232 is a `hidden beast` number, since 2 + 3 + 14 + 642 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (231464221) and next prime (231464243).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 231464196 and 231464205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83232 + ... + 85967.

It is an arithmetic number, because the mean of its divisors is an integer number (13747500).

Almost surely, 2231464232 is an apocalyptic number.

It is an amenable number.

231464232 is an abundant number, since it is smaller than the sum of its proper divisors (428415768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231464232 is a wasteful number, since it uses less digits than its factorization.

231464232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169230 (or 169223 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 231464232 is about 15213.9485998869. The cubic root of 231464232 is about 613.9899979626.

The spelling of 231464232 in words is "two hundred thirty-one million, four hundred sixty-four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 169199 338398 507597 676796 1015194 1353592 1522791 2030388 3045582 3214781 4060776 6091164 6429562 9644343 12182328 12859124 19288686 25718248 28933029 38577372 57866058 77154744 115732116 231464232