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57386842 = 2174116481
BaseRepresentation
bin1101101011101…
…0011101011010
310222222112221121
43122322131122
5104142334332
65405555454
71264531402
oct332723532
9128875847
1057386842
112a436647
1217275b8a
13bb73716
14789b802
155088797
hex36ba75a

57386842 has 8 divisors (see below), whose sum is σ = 86134932. Its totient is φ = 28675200.

The previous prime is 57386837. The next prime is 57386843. The reversal of 57386842 is 24868375.

It can be written as a sum of positive squares in 2 ways, for example, as 47596201 + 9790641 = 6899^2 + 3129^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57386843) 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, 4759 + ... + 11722.

Almost surely, 257386842 is an apocalyptic number.

57386842 is a deficient number, since it is larger than the sum of its proper divisors (28748090).

57386842 is a wasteful number, since it uses less digits than its factorization.

57386842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18224.

The product of its digits is 322560, while the sum is 43.

The square root of 57386842 is about 7575.4103519215. The cubic root of 57386842 is about 385.7187719512.

The spelling of 57386842 in words is "fifty-seven million, three hundred eighty-six thousand, eight hundred forty-two".

Divisors: 1 2 1741 3482 16481 32962 28693421 57386842