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231044264 = 23112625503
BaseRepresentation
bin11011100010101…
…11010010101000
3121002202021010222
431301113102220
5433121404024
634532025212
75503562303
oct1561272250
9532667128
10231044264
11109466a80
1265462208
1338b366a9
1422983b3a
151543c85e
hexdc574a8

231044264 has 16 divisors (see below), whose sum is σ = 472590720. Its totient is φ = 105020080.

The previous prime is 231044257. The next prime is 231044273. The reversal of 231044264 is 462440132.

231044264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312664 + ... + 1312839.

It is an arithmetic number, because the mean of its divisors is an integer number (29536920).

Almost surely, 2231044264 is an apocalyptic number.

It is an amenable number.

231044264 is an abundant number, since it is smaller than the sum of its proper divisors (241546456).

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

231044264 is a wasteful number, since it uses less digits than its factorization.

231044264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625520 (or 2625516 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 231044264 is about 15200.1402625107. The cubic root of 231044264 is about 613.6184326200.

Adding to 231044264 its reverse (462440132), we get a palindrome (693484396).

The spelling of 231044264 in words is "two hundred thirty-one million, forty-four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 2625503 5251006 10502012 21004024 28880533 57761066 115522132 231044264