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231466828 = 22235724551
BaseRepresentation
bin11011100101111…
…10011101001100
3121010112201210111
431302332131030
5433223414303
634545045404
75510302255
oct1562763514
9533481714
10231466828
111097254aa
1265626864
1338c53b28
1422a53b2c
15154c2b6d
hexdcbe74c

231466828 has 12 divisors (see below), whose sum is σ = 405255312. Its totient is φ = 115679600.

The previous prime is 231466817. The next prime is 231466861. The reversal of 231466828 is 828664132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (33771276).

Almost surely, 2231466828 is an apocalyptic number.

It is an amenable number.

231466828 is a deficient number, since it is larger than the sum of its proper divisors (173788484).

231466828 is a wasteful number, since it uses less digits than its factorization.

231466828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26912 (or 26910 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 231466828 is about 15214.0339160921. The cubic root of 231466828 is about 613.9922933670.

The spelling of 231466828 in words is "two hundred thirty-one million, four hundred sixty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 4 2357 4714 9428 24551 49102 98204 57866707 115733414 231466828