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57301386 = 2379120889
BaseRepresentation
bin1101101010010…
…1100110001010
310222211012201120
43122211212022
5104132121021
65404100110
71264024302
oct332454612
9128735646
1057301386
112a38841a
1217234636
13bb4385c
147878602
15506d2c6
hex36a598a

57301386 has 16 divisors (see below), whose sum is σ = 116054400. Its totient is φ = 18858528.

The previous prime is 57301381. The next prime is 57301393. The reversal of 57301386 is 68310375.

It is a happy number.

57301386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57301381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59971 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (7253400).

Almost surely, 257301386 is an apocalyptic number.

57301386 is an abundant number, since it is smaller than the sum of its proper divisors (58753014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57301386 is a wasteful number, since it uses less digits than its factorization.

57301386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120973.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57301386 is about 7569.7678960454. The cubic root of 57301386 is about 385.5272160867.

The spelling of 57301386 in words is "fifty-seven million, three hundred one thousand, three hundred eighty-six".

Divisors: 1 2 3 6 79 158 237 474 120889 241778 362667 725334 9550231 19100462 28650693 57301386