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57952680 = 23354111779
BaseRepresentation
bin1101110100010…
…0100110101000
311001001022010120
43131010212220
5104313441210
65430043240
71302406152
oct335044650
9131038116
1057952680
112a792785
12174a9520
13c011136
1479a7ad2
15514b270
hex37449a8

57952680 has 64 divisors (see below), whose sum is σ = 178113600. Its totient is φ = 15075840.

The previous prime is 57952669. The next prime is 57952681. The reversal of 57952680 is 8625975.

It is not an unprimeable number, because it can be changed into a prime (57952681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (2783025).

Almost surely, 257952680 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 57952680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89056800).

57952680 is an abundant number, since it is smaller than the sum of its proper divisors (120160920).

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

57952680 is a wasteful number, since it uses less digits than its factorization.

57952680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834 (or 11830 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 57952680 is about 7612.6657617421. The cubic root of 57952680 is about 386.9823653737.

The spelling of 57952680 in words is "fifty-seven million, nine hundred fifty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 11779 23558 35337 47116 58895 70674 94232 117790 141348 176685 235580 282696 353370 471160 482939 706740 965878 1413480 1448817 1931756 2414695 2897634 3863512 4829390 5795268 7244085 9658780 11590536 14488170 19317560 28976340 57952680