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57869989 = 175995683
BaseRepresentation
bin1101110011000…
…0011010100101
311000220002200221
43130300122211
5104303314424
65424204341
71301613112
oct334603245
9130802627
1057869989
112a736641
12174696b1
13bcb25c8
147985909
1551319e4
hex37306a5

57869989 has 8 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 54365376.

The previous prime is 57869951. The next prime is 57870013. The reversal of 57869989 is 98996875.

57869989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57869989 - 211 = 57867941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57869489) 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 7 ways as a sum of consecutive naturals, for example, 7342 + ... + 13024.

It is an arithmetic number, because the mean of its divisors is an integer number (7673400).

Almost surely, 257869989 is an apocalyptic number.

It is an amenable number.

57869989 is a deficient number, since it is larger than the sum of its proper divisors (3517211).

57869989 is a wasteful number, since it uses less digits than its factorization.

57869989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299.

The product of its digits is 9797760, while the sum is 61.

The square root of 57869989 is about 7607.2326768675. The cubic root of 57869989 is about 386.7982197869.

The spelling of 57869989 in words is "fifty-seven million, eight hundred sixty-nine thousand, nine hundred eighty-nine".

Divisors: 1 17 599 5683 10183 96611 3404117 57869989