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57082519 = 136171983
BaseRepresentation
bin1101100111000…
…0001010010111
310222102002111101
43121300022113
5104103120034
65355250531
71262123224
oct331601227
9128362441
1057082519
112a248a3a
1217149a47
13ba98050
14781c94b
155028514
hex3670297

57082519 has 8 divisors (see below), whose sum is σ = 62482112. Its totient is φ = 51827040.

The previous prime is 57082511. The next prime is 57082579. The reversal of 57082519 is 91528075.

57082519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57082519 - 23 = 57082511 is a prime.

It is a super-2 number, since 2×570825192 = 6516827950770722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57082511) 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, 35199 + ... + 36784.

It is an arithmetic number, because the mean of its divisors is an integer number (7810264).

Almost surely, 257082519 is an apocalyptic number.

57082519 is a deficient number, since it is larger than the sum of its proper divisors (5399593).

57082519 is a wasteful number, since it uses less digits than its factorization.

57082519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72057.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 57082519 is about 7555.2974130738. The cubic root of 57082519 is about 385.0357396405.

The spelling of 57082519 in words is "fifty-seven million, eighty-two thousand, five hundred nineteen".

Divisors: 1 13 61 793 71983 935779 4390963 57082519