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252904168 = 23112873911
BaseRepresentation
bin11110001001100…
…00001011101000
3122121212212022001
433010300023220
51004220413133
641032340344
76160435636
oct1704601350
9577785261
10252904168
1111a837710
12708446b4
134051b54a
1425834356
151730987d
hexf1302e8

252904168 has 16 divisors (see below), whose sum is σ = 517304160. Its totient is φ = 114956400.

The previous prime is 252904151. The next prime is 252904187. The reversal of 252904168 is 861409252.

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, 1436868 + ... + 1437043.

It is an arithmetic number, because the mean of its divisors is an integer number (32331510).

Almost surely, 2252904168 is an apocalyptic number.

It is an amenable number.

252904168 is an abundant number, since it is smaller than the sum of its proper divisors (264399992).

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

252904168 is a wasteful number, since it uses less digits than its factorization.

252904168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873928 (or 2873924 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 252904168 is about 15902.9609821568. The cubic root of 252904168 is about 632.3904880000.

The spelling of 252904168 in words is "two hundred fifty-two million, nine hundred four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 2873911 5747822 11495644 22991288 31613021 63226042 126452084 252904168