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231272504 = 2328909063
BaseRepresentation
bin11011100100011…
…11000000111000
3121010011212020022
431302033000320
5433201210004
634540550012
75505532601
oct1562170070
9533155208
10231272504
11109602501
1265552308
1338bb6548
1422a02da8
15154852be
hexdc8f038

231272504 has 8 divisors (see below), whose sum is σ = 433635960. Its totient is φ = 115636248.

The previous prime is 231272491. The next prime is 231272537. The reversal of 231272504 is 405272132.

231272504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2312725042 = 106973942212860032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14454524 + ... + 14454539.

It is an arithmetic number, because the mean of its divisors is an integer number (54204495).

Almost surely, 2231272504 is an apocalyptic number.

It is an amenable number.

231272504 is a deficient number, since it is larger than the sum of its proper divisors (202363456).

231272504 is a wasteful number, since it uses less digits than its factorization.

231272504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28909069 (or 28909065 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 231272504 is about 15207.6462347071. The cubic root of 231272504 is about 613.8204230329.

The spelling of 231272504 in words is "two hundred thirty-one million, two hundred seventy-two thousand, five hundred four".

Divisors: 1 2 4 8 28909063 57818126 115636252 231272504