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57942677 = 134457129
BaseRepresentation
bin1101110100001…
…0001010010101
311001000210102002
43131002022111
5104313131202
65425525045
71302335042
oct335021225
9131023362
1057942677
112a786211
12174a3785
13c009710
1479a41c9
155148302
hex3742295

57942677 has 4 divisors (see below), whose sum is σ = 62399820. Its totient is φ = 53485536.

The previous prime is 57942641. The next prime is 57942679. The reversal of 57942677 is 77624975.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7447441 + 50495236 = 2729^2 + 7106^2 .

It is not a de Polignac number, because 57942677 - 218 = 57680533 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 (57942679) 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, 2228552 + ... + 2228577.

It is an arithmetic number, because the mean of its divisors is an integer number (15599955).

Almost surely, 257942677 is an apocalyptic number.

It is an amenable number.

57942677 is a deficient number, since it is larger than the sum of its proper divisors (4457143).

57942677 is a wasteful number, since it uses less digits than its factorization.

57942677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457142.

The product of its digits is 740880, while the sum is 47.

The square root of 57942677 is about 7612.0087362010. The cubic root of 57942677 is about 386.9600988893.

The spelling of 57942677 in words is "fifty-seven million, nine hundred forty-two thousand, six hundred seventy-seven".

Divisors: 1 13 4457129 57942677