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57051272 = 237990271
BaseRepresentation
bin1101100110100…
…0100010001000
310222100111122002
43121220202020
5104101120042
65354450132
71261633145
oct331504210
9128314562
1057051272
112a227513
1217133948
13ba86a65
1478113cc
15501e132
hex3668888

57051272 has 16 divisors (see below), whose sum is σ = 108326400. Its totient is φ = 28164240.

The previous prime is 57051263. The next prime is 57051283. The reversal of 57051272 is 27215075.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44504 + ... + 45767.

It is an arithmetic number, because the mean of its divisors is an integer number (6770400).

Almost surely, 257051272 is an apocalyptic number.

It is an amenable number.

57051272 is a deficient number, since it is larger than the sum of its proper divisors (51275128).

57051272 is a wasteful number, since it uses less digits than its factorization.

57051272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90356 (or 90352 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 57051272 is about 7553.2292431780. The cubic root of 57051272 is about 384.9654705638.

The spelling of 57051272 in words is "fifty-seven million, fifty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 79 158 316 632 90271 180542 361084 722168 7131409 14262818 28525636 57051272