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57028652 = 22193312267
BaseRepresentation
bin1101100110001…
…1000000101100
310222022100121022
43121203000230
5104044404102
65354153312
71261510202
oct331430054
9128270538
1057028652
112a21151a
1217122838
13ba79685
147807072
1550175a2
hex366302c

57028652 has 24 divisors (see below), whose sum is σ = 105416640. Its totient is φ = 26920080.

The previous prime is 57028649. The next prime is 57028667. The reversal of 57028652 is 25682075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24023 + ... + 26289.

It is an arithmetic number, because the mean of its divisors is an integer number (4392360).

Almost surely, 257028652 is an apocalyptic number.

It is an amenable number.

57028652 is a deficient number, since it is larger than the sum of its proper divisors (48387988).

57028652 is a wasteful number, since it uses less digits than its factorization.

57028652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 57028652 is about 7551.7317219297. The cubic root of 57028652 is about 384.9145861006.

The spelling of 57028652 in words is "fifty-seven million, twenty-eight thousand, six hundred fifty-two".

Divisors: 1 2 4 19 38 76 331 662 1324 2267 4534 6289 9068 12578 25156 43073 86146 172292 750377 1500754 3001508 14257163 28514326 57028652