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231036468 = 223131481003
BaseRepresentation
bin11011100010101…
…01011000110100
3121002201212110020
431301111120310
5433121131333
634531525140
75503530465
oct1561253064
9532655406
10231036468
11109461133
12654597b0
1338b32c90
1422980d6c
151543a3b3
hexdc55634

231036468 has 24 divisors (see below), whose sum is σ = 580553568. Its totient is φ = 71088096.

The previous prime is 231036467. The next prime is 231036479. The reversal of 231036468 is 864630132.

231036468 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231036467) 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, 740346 + ... + 740657.

It is an arithmetic number, because the mean of its divisors is an integer number (24189732).

Almost surely, 2231036468 is an apocalyptic number.

It is an amenable number.

231036468 is an abundant number, since it is smaller than the sum of its proper divisors (349517100).

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

231036468 is a wasteful number, since it uses less digits than its factorization.

231036468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481023 (or 1481021 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 231036468 is about 15199.8838153454. The cubic root of 231036468 is about 613.6115308789.

The spelling of 231036468 in words is "two hundred thirty-one million, thirty-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1481003 2962006 4443009 5924012 8886018 17772036 19253039 38506078 57759117 77012156 115518234 231036468