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57328884 = 2234592999
BaseRepresentation
bin1101101010110…
…0010011110100
310222212121110000
43122230103310
5104134011014
65404431300
71264200414
oct332542364
9128777400
1057328884
112a3a7048
1217248530
13bb53222
147884644
155076509
hex36ac4f4

57328884 has 60 divisors (see below), whose sum is σ = 152460000. Its totient is φ = 18779472.

The previous prime is 57328849. The next prime is 57328891. The reversal of 57328884 is 48882375.

It is a super-3 number, since 3×573288843 (a number of 24 digits) contains 333 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17617 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (2541000).

Almost surely, 257328884 is an apocalyptic number.

57328884 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57328884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76230000).

57328884 is an abundant number, since it is smaller than the sum of its proper divisors (95131116).

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

57328884 is a wasteful number, since it uses less digits than its factorization.

57328884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3063 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 57328884 is about 7571.5839822325. The cubic root of 57328884 is about 385.5888756310.

The spelling of 57328884 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 59 81 108 118 162 177 236 324 354 531 708 1062 1593 2124 2999 3186 4779 5998 6372 8997 9558 11996 17994 19116 26991 35988 53982 80973 107964 161946 176941 242919 323892 353882 485838 530823 707764 971676 1061646 1592469 2123292 3184938 4777407 6369876 9554814 14332221 19109628 28664442 57328884