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57044093 = 101564793
BaseRepresentation
bin1101100110011…
…0110001111101
310222100010210012
43121212301331
5104100402333
65354353005
71261603211
oct331466175
9128303705
1057044093
112a222087
121712b765
13ba83702
14780c941
15501be48
hex3666c7d

57044093 has 4 divisors (see below), whose sum is σ = 57608988. Its totient is φ = 56479200.

The previous prime is 57044077. The next prime is 57044107. The reversal of 57044093 is 39044075.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37920964 + 19123129 = 6158^2 + 4373^2 .

It is not a de Polignac number, because 57044093 - 24 = 57044077 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 (57044003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282296 + ... + 282497.

It is an arithmetic number, because the mean of its divisors is an integer number (14402247).

Almost surely, 257044093 is an apocalyptic number.

It is an amenable number.

57044093 is a deficient number, since it is larger than the sum of its proper divisors (564895).

57044093 is a wasteful number, since it uses less digits than its factorization.

57044093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564894.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57044093 is about 7552.7540010251. The cubic root of 57044093 is about 384.9493226151.

The spelling of 57044093 in words is "fifty-seven million, forty-four thousand, ninety-three".

Divisors: 1 101 564793 57044093