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231492532 = 22239242147
BaseRepresentation
bin11011100110001…
…00101110110100
3121010121001001111
431303010232310
5433230230112
634545404404
75510440225
oct1563045664
9533531044
10231492532
11109742847
1265639704
1338c6273b
1422a5d24c
15154ca5a7
hexdcc4bb4

231492532 has 12 divisors (see below), whose sum is σ = 406808640. Its totient is φ = 115261496.

The previous prime is 231492517. The next prime is 231492551. The reversal of 231492532 is 235294132.

It is a junction number, because it is equal to n+sod(n) for n = 231492494 and 231492503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120118 + ... + 122029.

It is an arithmetic number, because the mean of its divisors is an integer number (33900720).

Almost surely, 2231492532 is an apocalyptic number.

It is an amenable number.

231492532 is a deficient number, since it is larger than the sum of its proper divisors (175316108).

231492532 is a wasteful number, since it uses less digits than its factorization.

231492532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242390 (or 242388 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 231492532 is about 15214.8786390165. The cubic root of 231492532 is about 614.0150201279.

The spelling of 231492532 in words is "two hundred thirty-one million, four hundred ninety-two thousand, five hundred thirty-two".

Divisors: 1 2 4 239 478 956 242147 484294 968588 57873133 115746266 231492532