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57993895 = 511598779
BaseRepresentation
bin1101110100111…
…0101010100111
311001010101200001
43131032222213
5104321301040
65431002131
71302640261
oct335165247
9131111601
1057993895
112a810743
1217509347
13c026b1b
1479b8b31
15515859a
hex374eaa7

57993895 has 4 divisors (see below), whose sum is σ = 69592680. Its totient is φ = 46395112.

The previous prime is 57993889. The next prime is 57993899. The reversal of 57993895 is 59839975.

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

It is a cyclic number.

It is not a de Polignac number, because 57993895 - 217 = 57862823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57993899) 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, 5799385 + ... + 5799394.

It is an arithmetic number, because the mean of its divisors is an integer number (17398170).

Almost surely, 257993895 is an apocalyptic number.

57993895 is a deficient number, since it is larger than the sum of its proper divisors (11598785).

57993895 is a wasteful number, since it uses less digits than its factorization.

57993895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11598784.

The product of its digits is 3061800, while the sum is 55.

The square root of 57993895 is about 7615.3722824298. The cubic root of 57993895 is about 387.0740821484.

The spelling of 57993895 in words is "fifty-seven million, nine hundred ninety-three thousand, eight hundred ninety-five".

Divisors: 1 5 11598779 57993895