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57389995 = 513882923
BaseRepresentation
bin1101101011101…
…1001110101011
310222222201021101
43122323032223
5104142434440
65410022231
71264543525
oct332731653
9128881241
1057389995
112a438a53
1217277977
13bb74ca0
14789ca15
15508969a
hex36bb3ab

57389995 has 8 divisors (see below), whose sum is σ = 74165616. Its totient is φ = 42380256.

The previous prime is 57389987. The next prime is 57389999. The reversal of 57389995 is 59998375.

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 57389995 - 23 = 57389987 is a prime.

It is a super-2 number, since 2×573899952 = 6587223052200050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57389999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441397 + ... + 441526.

It is an arithmetic number, because the mean of its divisors is an integer number (9270702).

Almost surely, 257389995 is an apocalyptic number.

57389995 is a deficient number, since it is larger than the sum of its proper divisors (16775621).

57389995 is a wasteful number, since it uses less digits than its factorization.

57389995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882941.

The product of its digits is 3061800, while the sum is 55.

The square root of 57389995 is about 7575.6184566014. The cubic root of 57389995 is about 385.7258359922.

The spelling of 57389995 in words is "fifty-seven million, three hundred eighty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 13 65 882923 4414615 11477999 57389995