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57244163 = 58499787
BaseRepresentation
bin1101101001011…
…1101000000011
310222201022020012
43122113220003
5104123303123
65402535135
71263365414
oct332275003
9128638205
1057244163
112a349429
12172074ab
13bb237b2
14786180b
15505b378
hex3697a03

57244163 has 4 divisors (see below), whose sum is σ = 57259800. Its totient is φ = 57228528.

The previous prime is 57244157. The next prime is 57244183. The reversal of 57244163 is 36144275.

57244163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57244163 - 24 = 57244147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57244123) 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 3 ways as a sum of consecutive naturals, for example, 956 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (14314950).

Almost surely, 257244163 is an apocalyptic number.

57244163 is a deficient number, since it is larger than the sum of its proper divisors (15637).

57244163 is an equidigital number, since it uses as much as digits as its factorization.

57244163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636.

The product of its digits is 20160, while the sum is 32.

The square root of 57244163 is about 7565.9872455615. The cubic root of 57244163 is about 385.3988400670.

The spelling of 57244163 in words is "fifty-seven million, two hundred forty-four thousand, one hundred sixty-three".

Divisors: 1 5849 9787 57244163