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57747012 = 2234812251
BaseRepresentation
bin1101110001001…
…0011001000100
311000122212000020
43130102121010
5104240401022
65421415140
71300561431
oct334223104
9130585006
1057747012
112a662204
121740a4b0
13bc6b63b
147952b88
15510a35c
hex3712644

57747012 has 12 divisors (see below), whose sum is σ = 134743056. Its totient is φ = 19249000.

The previous prime is 57746993. The next prime is 57747029. The reversal of 57747012 is 21074775.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 2406114 + ... + 2406137.

It is an arithmetic number, because the mean of its divisors is an integer number (11228588).

Almost surely, 257747012 is an apocalyptic number.

It is an amenable number.

57747012 is an abundant number, since it is smaller than the sum of its proper divisors (76996044).

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

57747012 is a wasteful number, since it uses less digits than its factorization.

57747012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812258 (or 4812256 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 57747012 is about 7599.1454782758. The cubic root of 57747012 is about 386.5240361112.

The spelling of 57747012 in words is "fifty-seven million, seven hundred forty-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 4812251 9624502 14436753 19249004 28873506 57747012