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57262027 = 471378893
BaseRepresentation
bin1101101001101…
…1111111001011
310222202012201211
43122123333023
5104124341102
65403153551
71263501454
oct332337713
9128665654
1057262027
112a360899
12172158b7
13bb2b974
14786812b
1550617d7
hex369bfcb

57262027 has 8 divisors (see below), whose sum is σ = 58913856. Its totient is φ = 55628352.

The previous prime is 57261989. The next prime is 57262033. The reversal of 57262027 is 72026275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57262027 - 219 = 56737739 is a prime.

It is a super-2 number, since 2×572620272 = 6557879472297458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57262027.

It is not an unprimeable number, because it can be changed into a prime (57262087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (7364232).

Almost surely, 257262027 is an apocalyptic number.

57262027 is a deficient number, since it is larger than the sum of its proper divisors (1651829).

57262027 is a wasteful number, since it uses less digits than its factorization.

57262027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 57262027 is about 7567.1677000051. The cubic root of 57262027 is about 385.4389259521.

The spelling of 57262027 in words is "fifty-seven million, two hundred sixty-two thousand, twenty-seven".

Divisors: 1 47 137 6439 8893 417971 1218341 57262027