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57106671 = 320279391
BaseRepresentation
bin1101100111011…
…0000011101111
310222110022121220
43121312003233
5104104403141
65355554423
71262253516
oct331660357
9128408556
1057106671
112a2650a6
121715ba13
13baa603b
14782767d
155030766
hex36760ef

57106671 has 8 divisors (see below), whose sum is σ = 76187904. Its totient is φ = 38048280.

The previous prime is 57106667. The next prime is 57106691. The reversal of 57106671 is 17660175.

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

It is not a de Polignac number, because 57106671 - 22 = 57106667 is a prime.

It is a super-2 number, since 2×571066712 = 6522343745404482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57106601) 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, 1386 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (9523488).

Almost surely, 257106671 is an apocalyptic number.

57106671 is a deficient number, since it is larger than the sum of its proper divisors (19081233).

57106671 is a wasteful number, since it uses less digits than its factorization.

57106671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 57106671 is about 7556.8955927682. The cubic root of 57106671 is about 385.0900357257.

The spelling of 57106671 in words is "fifty-seven million, one hundred six thousand, six hundred seventy-one".

Divisors: 1 3 2027 6081 9391 28173 19035557 57106671