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57800060 = 2252890003
BaseRepresentation
bin1101110001111…
…1010101111100
311000202112202222
43130133111330
5104244100220
65422504512
71301202203
oct334372574
9130675688
1057800060
112a69904a
1217435138
13bc89826
14796823a
15511ae25
hex371f57c

57800060 has 12 divisors (see below), whose sum is σ = 121380168. Its totient is φ = 23120016.

The previous prime is 57800059. The next prime is 57800063. The reversal of 57800060 is 6000875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57800063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444982 + ... + 1445021.

It is an arithmetic number, because the mean of its divisors is an integer number (10115014).

Almost surely, 257800060 is an apocalyptic number.

It is an amenable number.

57800060 is an abundant number, since it is smaller than the sum of its proper divisors (63580108).

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

57800060 is a wasteful number, since it uses less digits than its factorization.

57800060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890012 (or 2890010 counting only the distinct ones).

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

The square root of 57800060 is about 7602.6350695006. The cubic root of 57800060 is about 386.6423571056.

The spelling of 57800060 in words is "fifty-seven million, eight hundred thousand, sixty".

Divisors: 1 2 4 5 10 20 2890003 5780006 11560012 14450015 28900030 57800060