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57328885 = 567171131
BaseRepresentation
bin1101101010110…
…0010011110101
310222212121110001
43122230103311
5104134011020
65404431301
71264200415
oct332542365
9128777401
1057328885
112a3a7049
1217248531
13bb53223
147884645
15507650a
hex36ac4f5

57328885 has 8 divisors (see below), whose sum is σ = 69821856. Its totient is φ = 45178320.

The previous prime is 57328849. The next prime is 57328891. The reversal of 57328885 is 58882375.

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

It is a de Polignac number, because none of the positive numbers 2k-57328885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85231 + ... + 85900.

It is an arithmetic number, because the mean of its divisors is an integer number (8727732).

Almost surely, 257328885 is an apocalyptic number.

It is an amenable number.

57328885 is a deficient number, since it is larger than the sum of its proper divisors (12492971).

57328885 is a wasteful number, since it uses less digits than its factorization.

57328885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171203.

The product of its digits is 537600, while the sum is 46.

The square root of 57328885 is about 7571.5840482689. The cubic root of 57328885 is about 385.5888778730.

The spelling of 57328885 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 67 335 171131 855655 11465777 57328885