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252272027 = 71723611511
BaseRepresentation
bin11110000100101…
…01110110011011
3122120200202011102
433002111312123
51004040201102
641011022015
76152163650
oct1702256633
9576622142
10252272027
1111a445787
127059a90b
13403598b7
142570bc27
1517232402
hexf095d9b

252272027 has 32 divisors (see below), whose sum is σ = 323979264. Its totient is φ = 191347200.

The previous prime is 252272021. The next prime is 252272089. The reversal of 252272027 is 720272252.

It is a cyclic number.

It is not a de Polignac number, because 252272027 - 24 = 252272011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252272021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166202 + ... + 167712.

It is an arithmetic number, because the mean of its divisors is an integer number (10124352).

Almost surely, 2252272027 is an apocalyptic number.

252272027 is a deficient number, since it is larger than the sum of its proper divisors (71707237).

252272027 is a wasteful number, since it uses less digits than its factorization.

252272027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 252272027 is about 15883.0736005346. The cubic root of 252272027 is about 631.8631558590.

The spelling of 252272027 in words is "two hundred fifty-two million, two hundred seventy-two thousand, twenty-seven".

Divisors: 1 7 17 23 61 119 161 391 427 1037 1403 1511 2737 7259 9821 10577 23851 25687 34753 92171 166957 179809 243271 590801 645197 1566907 2119933 4135607 10968349 14839531 36038861 252272027