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57008530 = 2510753279
BaseRepresentation
bin1101100101111…
…0000110010010
310222021100000001
43121132012102
5104043233110
65353520214
71261364425
oct331360622
9128240001
1057008530
112a1a8397
121711306a
13ba70477
1477dd9bc
15501163a
hex365e192

57008530 has 16 divisors (see below), whose sum is σ = 103576320. Its totient is φ = 22589872.

The previous prime is 57008507. The next prime is 57008557. The reversal of 57008530 is 3580075.

57008530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 25570 + ... + 27709.

It is an arithmetic number, because the mean of its divisors is an integer number (6473520).

Almost surely, 257008530 is an apocalyptic number.

57008530 is a deficient number, since it is larger than the sum of its proper divisors (46567790).

57008530 is a wasteful number, since it uses less digits than its factorization.

57008530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53393.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 57008530 is about 7550.3993271879. The cubic root of 57008530 is about 384.8693096641.

The spelling of 57008530 in words is "fifty-seven million, eight thousand, five hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 53279 106558 266395 532790 5700853 11401706 28504265 57008530