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57955863 = 372759803
BaseRepresentation
bin1101110100010…
…1011000010111
311001001110111110
43131011120113
5104314041423
65430110103
71302421350
oct335053027
9131043443
1057955863
112a795109
12174ab333
13c012714
1479a8d27
15514c193
hex3745617

57955863 has 8 divisors (see below), whose sum is σ = 88313728. Its totient is φ = 33117624.

The previous prime is 57955861. The next prime is 57955867. The reversal of 57955863 is 36855975.

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

It is not a de Polignac number, because 57955863 - 21 = 57955861 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 (57955861) 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, 1379881 + ... + 1379922.

It is an arithmetic number, because the mean of its divisors is an integer number (11039216).

Almost surely, 257955863 is an apocalyptic number.

57955863 is a deficient number, since it is larger than the sum of its proper divisors (30357865).

57955863 is a wasteful number, since it uses less digits than its factorization.

57955863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759813.

The product of its digits is 1134000, while the sum is 48.

The square root of 57955863 is about 7612.8748183587. The cubic root of 57955863 is about 386.9894501327.

The spelling of 57955863 in words is "fifty-seven million, nine hundred fifty-five thousand, eight hundred sixty-three".

Divisors: 1 3 7 21 2759803 8279409 19318621 57955863