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57698613 = 327915851
BaseRepresentation
bin1101110000011…
…0100100110101
311000120101121200
43130012210311
5104232323423
65420403113
71300300350
oct334064465
9130511550
1057698613
112a629905
12173a6499
13bc525bb
14793d297
1550ead43
hex3706935

57698613 has 12 divisors (see below), whose sum is σ = 95248608. Its totient is φ = 32970600.

The previous prime is 57698593. The next prime is 57698621. The reversal of 57698613 is 31689675.

It is a happy number.

57698613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57698613 - 210 = 57697589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57698653) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 457863 + ... + 457988.

It is an arithmetic number, because the mean of its divisors is an integer number (7937384).

Almost surely, 257698613 is an apocalyptic number.

It is an amenable number.

57698613 is a deficient number, since it is larger than the sum of its proper divisors (37549995).

57698613 is a wasteful number, since it uses less digits than its factorization.

57698613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915864 (or 915861 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 57698613 is about 7595.9603079532. The cubic root of 57698613 is about 386.4160212549.

It can be divided in two parts, 57698 and 613, that added together give a triangular number (58311 = T341).

The spelling of 57698613 in words is "fifty-seven million, six hundred ninety-eight thousand, six hundred thirteen".

Divisors: 1 3 7 9 21 63 915851 2747553 6410957 8242659 19232871 57698613