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57373897 = 711517121
BaseRepresentation
bin1101101011011…
…1010011001001
310222221220012011
43122313103021
5104141431042
65405415521
71264445560
oct332672311
9128856164
1057373897
112a427949
121726a5a1
13bb6a869
147896bd7
155084a17
hex36b74c9

57373897 has 8 divisors (see below), whose sum is σ = 65636352. Its totient is φ = 49128000.

The previous prime is 57373879. The next prime is 57373903. The reversal of 57373897 is 79837375.

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 57373897 - 215 = 57341129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57373897.

It is not an unprimeable number, because it can be changed into a prime (57373807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497 + ... + 11617.

It is an arithmetic number, because the mean of its divisors is an integer number (8204544).

Almost surely, 257373897 is an apocalyptic number.

It is an amenable number.

57373897 is a deficient number, since it is larger than the sum of its proper divisors (8262455).

57373897 is a wasteful number, since it uses less digits than its factorization.

57373897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its digits is 1111320, while the sum is 49.

The square root of 57373897 is about 7574.5558945723. Note that the first 3 decimals coincide. The cubic root of 57373897 is about 385.6897670155.

The spelling of 57373897 in words is "fifty-seven million, three hundred seventy-three thousand, eight hundred ninety-seven".

Divisors: 1 7 1151 7121 8057 49847 8196271 57373897