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57058837 = 1123225529
BaseRepresentation
bin1101100110101…
…0011000010101
310222100220000021
43121222120111
5104101340322
65354545141
71261664203
oct331523025
9128326007
1057058837
112a232170
12171381b1
13ba8a334
147814073
1550214c7
hex366a615

57058837 has 8 divisors (see below), whose sum is σ = 64952640. Its totient is φ = 49616160.

The previous prime is 57058819. The next prime is 57058849. The reversal of 57058837 is 73885075.

57058837 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 not a de Polignac number, because 57058837 - 27 = 57058709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57058793 and 57058802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57058867) 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, 112512 + ... + 113017.

It is an arithmetic number, because the mean of its divisors is an integer number (8119080).

Almost surely, 257058837 is an apocalyptic number.

It is an amenable number.

57058837 is a deficient number, since it is larger than the sum of its proper divisors (7893803).

57058837 is a wasteful number, since it uses less digits than its factorization.

57058837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225563.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 57058837 is about 7553.7300057654. The cubic root of 57058837 is about 384.9824852886.

The spelling of 57058837 in words is "fifty-seven million, fifty-eight thousand, eight hundred thirty-seven".

Divisors: 1 11 23 253 225529 2480819 5187167 57058837