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57683901 = 31131113499
BaseRepresentation
bin1101110000001…
…0111110111101
311000112122102210
43130002332331
5104231341101
65420211033
71300206432
oct334027675
9130478383
1057683901
112a619850
1217399a79
13bc489b2
147937b89
1550e67d6
hex3702fbd

57683901 has 32 divisors (see below), whose sum is σ = 87552000. Its totient is φ = 33465600.

The previous prime is 57683897. The next prime is 57683933. The reversal of 57683901 is 10938675.

It is not a de Polignac number, because 57683901 - 22 = 57683897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57683901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57683401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115350 + ... + 115848.

It is an arithmetic number, because the mean of its divisors is an integer number (2736000).

Almost surely, 257683901 is an apocalyptic number.

It is an amenable number.

57683901 is a deficient number, since it is larger than the sum of its proper divisors (29868099).

57683901 is a wasteful number, since it uses less digits than its factorization.

57683901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 57683901 is about 7594.9918367303. The cubic root of 57683901 is about 386.3831756603.

It can be divided in two parts, 5768 and 3901, that added together give a palindrome (9669).

The spelling of 57683901 in words is "fifty-seven million, six hundred eighty-three thousand, nine hundred one".

Divisors: 1 3 11 31 33 93 113 339 341 499 1023 1243 1497 3503 3729 5489 10509 15469 16467 38533 46407 56387 115599 169161 170159 510477 620257 1747997 1860771 5243991 19227967 57683901