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57427968 = 211313719
BaseRepresentation
bin1101101100010…
…0100000000000
311000001122100210
43123010200000
5104200143333
65410514120
71265062323
oct333044000
9130048323
1057427968
112a464534
1217295940
13bb89360
1478ac7ba
155095a63
hex36c4800

57427968 has 96 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 17645568.

The previous prime is 57427963. The next prime is 57427969. The reversal of 57427968 is 86972475.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (57427961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79513 + ... + 80231.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 257427968 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 57427968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

57427968 is an abundant number, since it is smaller than the sum of its proper divisors (107682432).

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

57427968 is a wasteful number, since it uses less digits than its factorization.

57427968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 737 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 57427968 is about 7578.1243061855. The cubic root of 57427968 is about 385.8108911071.

The spelling of 57427968 in words is "fifty-seven million, four hundred twenty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 719 768 832 1024 1248 1438 1536 1664 2048 2157 2496 2876 3072 3328 4314 4992 5752 6144 6656 8628 9347 9984 11504 13312 17256 18694 19968 23008 26624 28041 34512 37388 39936 46016 56082 69024 74776 79872 92032 112164 138048 149552 184064 224328 276096 299104 368128 448656 552192 598208 736256 897312 1104384 1196416 1472512 1794624 2208768 2392832 3589248 4417536 4785664 7178496 9571328 14356992 19142656 28713984 57427968