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57132080 = 245714151
BaseRepresentation
bin1101100111110…
…0010000110000
310222111121110222
43121330100300
5104111211310
65400312212
71262420555
oct331742060
9128447428
1057132080
112a2821a5
1217172668
13bab4785
147832a2c
155038055
hex367c430

57132080 has 20 divisors (see below), whose sum is σ = 132832272. Its totient is φ = 22852800.

The previous prime is 57132073. The next prime is 57132083. The reversal of 57132080 is 8023175.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57132083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356996 + ... + 357155.

Almost surely, 257132080 is an apocalyptic number.

It is an amenable number.

57132080 is an abundant number, since it is smaller than the sum of its proper divisors (75700192).

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

57132080 is a wasteful number, since it uses less digits than its factorization.

57132080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714164 (or 714158 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 57132080 is about 7558.5765855748. The cubic root of 57132080 is about 385.1471411491.

The spelling of 57132080 in words is "fifty-seven million, one hundred thirty-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 714151 1428302 2856604 3570755 5713208 7141510 11426416 14283020 28566040 57132080