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231352088 = 23112629001
BaseRepresentation
bin11011100101000…
…10011100011000
3121010022220101212
431302202130120
5433211231323
634542402252
75506313612
oct1562423430
9533286355
10231352088
11109657280
1265590388
1338c13836
1422a23db2
151549db78
hexdca2718

231352088 has 16 divisors (see below), whose sum is σ = 473220360. Its totient is φ = 105160000.

The previous prime is 231352087. The next prime is 231352091. The reversal of 231352088 is 880253132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231352087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314413 + ... + 1314588.

Almost surely, 2231352088 is an apocalyptic number.

It is an amenable number.

231352088 is an abundant number, since it is smaller than the sum of its proper divisors (241868272).

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

231352088 is a wasteful number, since it uses less digits than its factorization.

231352088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629018 (or 2629014 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 231352088 is about 15210.2625881344. The cubic root of 231352088 is about 613.8908229312.

The spelling of 231352088 in words is "two hundred thirty-one million, three hundred fifty-two thousand, eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 2629001 5258002 10516004 21032008 28919011 57838022 115676044 231352088