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252255368 = 2331531921
BaseRepresentation
bin11110000100100…
…01110010001000
3122120122220022102
433002101302020
51004034132433
641010412532
76152064251
oct1702216210
9576586272
10252255368
1111a434212
1270591148
1340352141
1425705b28
151722c4e8
hexf091c88

252255368 has 8 divisors (see below), whose sum is σ = 472978830. Its totient is φ = 126127680.

The previous prime is 252255359. The next prime is 252255371. The reversal of 252255368 is 863552252.

It can be written as a sum of positive squares in only one way, i.e., 230371684 + 21883684 = 15178^2 + 4678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15765953 + ... + 15765968.

Almost surely, 2252255368 is an apocalyptic number.

It is an amenable number.

252255368 is a deficient number, since it is larger than the sum of its proper divisors (220723462).

252255368 is a wasteful number, since it uses less digits than its factorization.

252255368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31531927 (or 31531923 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 252255368 is about 15882.5491656724. The cubic root of 252255368 is about 631.8492470107.

The spelling of 252255368 in words is "two hundred fifty-two million, two hundred fifty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 31531921 63063842 126127684 252255368