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57697012 = 2247306899
BaseRepresentation
bin1101110000011…
…0001011110100
311000120022102101
43130012023310
5104232301022
65420351444
71300262602
oct334061364
9130508371
1057697012
112a62868a
12173a5584
13bc51959
14793c872
1550ea627
hex37062f4

57697012 has 12 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 28234616.

The previous prime is 57697001. The next prime is 57697021. The reversal of 57697012 is 21079675.

57697012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153262 + ... + 153637.

It is an arithmetic number, because the mean of its divisors is an integer number (8593200).

Almost surely, 257697012 is an apocalyptic number.

It is an amenable number.

57697012 is a deficient number, since it is larger than the sum of its proper divisors (45421388).

57697012 is a wasteful number, since it uses less digits than its factorization.

57697012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306950 (or 306948 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 57697012 is about 7595.8549222586. The cubic root of 57697012 is about 386.4124471784.

The spelling of 57697012 in words is "fifty-seven million, six hundred ninety-seven thousand, twelve".

Divisors: 1 2 4 47 94 188 306899 613798 1227596 14424253 28848506 57697012