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57384911 = 173375583
BaseRepresentation
bin1101101011100…
…1111111001111
310222222110022002
43122321333033
5104142304121
65405542515
71264522643
oct332717717
9128873262
1057384911
112a435151
1217274a3b
13bb7288c
14789ac23
155087e0b
hex36b9fcf

57384911 has 4 divisors (see below), whose sum is σ = 60760512. Its totient is φ = 54009312.

The previous prime is 57384907. The next prime is 57384917. The reversal of 57384911 is 11948375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57384911 - 22 = 57384907 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 (57384917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687775 + ... + 1687808.

It is an arithmetic number, because the mean of its divisors is an integer number (15190128).

Almost surely, 257384911 is an apocalyptic number.

57384911 is a deficient number, since it is larger than the sum of its proper divisors (3375601).

57384911 is a wasteful number, since it uses less digits than its factorization.

57384911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375600.

The product of its digits is 30240, while the sum is 38.

The square root of 57384911 is about 7575.2828990078. The cubic root of 57384911 is about 385.7144455744.

The spelling of 57384911 in words is "fifty-seven million, three hundred eighty-four thousand, nine hundred eleven".

Divisors: 1 17 3375583 57384911