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57125984 = 2517173607
BaseRepresentation
bin1101100111101…
…0110001100000
310222111022010012
43121322301200
5104111012414
65400224052
71262364026
oct331726140
9128438105
1057125984
112a278663
121716b028
13bab1a76
147830716
15503633e
hex367ac60

57125984 has 48 divisors (see below), whose sum is σ = 119968128. Its totient is φ = 26683392.

The previous prime is 57125977. The next prime is 57126007. The reversal of 57125984 is 48952175.

57125984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 93809 + ... + 94415.

It is an arithmetic number, because the mean of its divisors is an integer number (2499336).

Almost surely, 257125984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57125984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59984064).

57125984 is an abundant number, since it is smaller than the sum of its proper divisors (62842144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57125984 is a wasteful number, since it uses less digits than its factorization.

57125984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 799 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 57125984 is about 7558.1733242894. The cubic root of 57125984 is about 385.1334422460.

The spelling of 57125984 in words is "fifty-seven million, one hundred twenty-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 173 272 346 544 607 692 1214 1384 2428 2768 2941 4856 5536 5882 9712 10319 11764 19424 20638 23528 41276 47056 82552 94112 105011 165104 210022 330208 420044 840088 1680176 1785187 3360352 3570374 7140748 14281496 28562992 57125984