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57415 = 511483
BaseRepresentation
bin1110000001000111
32220202111
432001013
53314130
61121451
7326251
oct160107
986674
1057415
113a156
1229287
1320197
1416cd1
151202a
hexe047

57415 has 4 divisors (see below), whose sum is σ = 68904. Its totient is φ = 45928.

The previous prime is 57413. The next prime is 57427. The reversal of 57415 is 51475.

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 57415 - 21 = 57413 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (17226).

257415 is an apocalyptic number.

57415 is a deficient number, since it is larger than the sum of its proper divisors (11489).

57415 is a wasteful number, since it uses less digits than its factorization.

57415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488.

The product of its digits is 700, while the sum is 22.

The square root of 57415 is about 239.6142733645. The cubic root of 57415 is about 38.5781848508.

The spelling of 57415 in words is "fifty-seven thousand, four hundred fifteen".

Divisors: 1 5 11483 57415