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57384065 = 513982567
BaseRepresentation
bin1101101011100…
…1110010000001
310222222102010202
43122321302001
5104142242230
65405534545
71264520324
oct332716201
9128872122
1057384065
112a434552
1217274455
13bb7238b
14789a7bb
155087a45
hex36b9c81

57384065 has 8 divisors (see below), whose sum is σ = 69357120. Its totient is φ = 45576432.

The previous prime is 57384053. The next prime is 57384071. The reversal of 57384065 is 56048375.

57384065 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 not a de Polignac number, because 57384065 - 212 = 57379969 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 40589 + ... + 41978.

It is an arithmetic number, because the mean of its divisors is an integer number (8669640).

Almost surely, 257384065 is an apocalyptic number.

It is an amenable number.

57384065 is a deficient number, since it is larger than the sum of its proper divisors (11973055).

57384065 is a wasteful number, since it uses less digits than its factorization.

57384065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82711.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 57384065 is about 7575.2270593032. The cubic root of 57384065 is about 385.7125500934.

The spelling of 57384065 in words is "fifty-seven million, three hundred eighty-four thousand, sixty-five".

Divisors: 1 5 139 695 82567 412835 11476813 57384065