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57328817 = 713629987
BaseRepresentation
bin1101101010110…
…0010010110001
310222212121100112
43122230102301
5104134010232
65404431105
71264200260
oct332542261
9128777315
1057328817
112a3a6a97
1217248495
13bb531a0
1478845d7
1550764b2
hex36ac4b1

57328817 has 8 divisors (see below), whose sum is σ = 70558656. Its totient is φ = 45358992.

The previous prime is 57328813. The next prime is 57328819. The reversal of 57328817 is 71882375.

57328817 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 57328817 - 22 = 57328813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57328813) 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, 314903 + ... + 315084.

It is an arithmetic number, because the mean of its divisors is an integer number (8819832).

Almost surely, 257328817 is an apocalyptic number.

It is an amenable number.

57328817 is a deficient number, since it is larger than the sum of its proper divisors (13229839).

57328817 is a wasteful number, since it uses less digits than its factorization.

57328817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630007.

The product of its digits is 94080, while the sum is 41.

The square root of 57328817 is about 7571.5795577937. The cubic root of 57328817 is about 385.5887254190.

The spelling of 57328817 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred seventeen".

Divisors: 1 7 13 91 629987 4409909 8189831 57328817