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231465996 = 223213149081
BaseRepresentation
bin11011100101111…
…10010000001100
3121010112200122200
431302332100030
5433223402441
634545041500
75510266656
oct1562762014
9533480580
10231465996
11109724913
1265626290
1338c53638
1422a536d6
15154c27b6
hexdcbe40c

231465996 has 36 divisors (see below), whose sum is σ = 589572984. Its totient is φ = 76564800.

The previous prime is 231465989. The next prime is 231466019. The reversal of 231465996 is 699564132.

231465996 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 tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19825 + ... + 29256.

Almost surely, 2231465996 is an apocalyptic number.

It is an amenable number.

231465996 is an abundant number, since it is smaller than the sum of its proper divisors (358106988).

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

231465996 is a wasteful number, since it uses less digits than its factorization.

231465996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49222 (or 49217 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 231465996 is about 15214.0065728920. The cubic root of 231465996 is about 613.9915577077.

The spelling of 231465996 in words is "two hundred thirty-one million, four hundred sixty-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1572 2358 4716 49081 98162 147243 196324 294486 441729 588972 883458 1766916 6429611 12859222 19288833 25718444 38577666 57866499 77155332 115732998 231465996