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57346531 = 115213321
BaseRepresentation
bin1101101011000…
…0100111100011
310222220111122121
43122300213203
5104140042111
65405045111
71264303024
oct332604743
9128814577
1057346531
112a409330
1217256797
13bb5b278
14788ac4b
15507b871
hex36b09e3

57346531 has 4 divisors (see below), whose sum is σ = 62559864. Its totient is φ = 52133200.

The previous prime is 57346529. The next prime is 57346547. The reversal of 57346531 is 13564375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57346531 - 21 = 57346529 is a prime.

It is a super-2 number, since 2×573465312 = 6577249235467922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57346501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606650 + ... + 2606671.

It is an arithmetic number, because the mean of its divisors is an integer number (15639966).

Almost surely, 257346531 is an apocalyptic number.

57346531 is a deficient number, since it is larger than the sum of its proper divisors (5213333).

57346531 is a wasteful number, since it uses less digits than its factorization.

57346531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213332.

The product of its digits is 37800, while the sum is 34.

The square root of 57346531 is about 7572.7492365719. The cubic root of 57346531 is about 385.6284356128.

The spelling of 57346531 in words is "fifty-seven million, three hundred forty-six thousand, five hundred thirty-one".

Divisors: 1 11 5213321 57346531