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231414232 = 23715726321
BaseRepresentation
bin11011100101100…
…01100111011000
3121010110001122111
431302301213120
5433220223412
634544002104
75506663030
oct1562614730
9533401574
10231414232
11109699a35
1265600334
1338c35bca
1422a3c8c0
15154b22a7
hexdcb19d8

231414232 has 32 divisors (see below), whose sum is σ = 499065120. Its totient is φ = 98542080.

The previous prime is 231414223. The next prime is 231414233. The reversal of 231414232 is 232414132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231414233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369 + ... + 21952.

It is an arithmetic number, because the mean of its divisors is an integer number (15595785).

Almost surely, 2231414232 is an apocalyptic number.

It is an amenable number.

231414232 is an abundant number, since it is smaller than the sum of its proper divisors (267650888).

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

231414232 is a wasteful number, since it uses less digits than its factorization.

231414232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26491 (or 26487 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 231414232 is about 15212.3052822378. The cubic root of 231414232 is about 613.9457842045.

Adding to 231414232 its reverse (232414132), we get a palindrome (463828364).

The spelling of 231414232 in words is "two hundred thirty-one million, four hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 157 314 628 1099 1256 2198 4396 8792 26321 52642 105284 184247 210568 368494 736988 1473976 4132397 8264794 16529588 28926779 33059176 57853558 115707116 231414232