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57272567 = 112473327
BaseRepresentation
bin1101101001111…
…0100011110111
310222202202012012
43122132203313
5104130210232
65403314435
71263544262
oct332364367
9128682165
1057272567
112a368800
121721ba1b
13bb336c1
14786bcd9
1550649b2
hex369e8f7

57272567 has 6 divisors (see below), whose sum is σ = 62952624. Its totient is φ = 52065860.

The previous prime is 57272549. The next prime is 57272617. The reversal of 57272567 is 76527275.

It is not a de Polignac number, because 57272567 - 26 = 57272503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57262567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236543 + ... + 236784.

It is an arithmetic number, because the mean of its divisors is an integer number (10492104).

Almost surely, 257272567 is an apocalyptic number.

57272567 is a deficient number, since it is larger than the sum of its proper divisors (5680057).

57272567 is a wasteful number, since it uses less digits than its factorization.

57272567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473349 (or 473338 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 57272567 is about 7567.8640976170. The cubic root of 57272567 is about 385.4625732525.

The spelling of 57272567 in words is "fifty-seven million, two hundred seventy-two thousand, five hundred sixty-seven".

Divisors: 1 11 121 473327 5206597 57272567