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57826013 = 743192113
BaseRepresentation
bin1101110010010…
…1101011011101
311000210212101012
43130211223131
5104300413023
65423225005
71301340650
oct334455335
9130725335
1057826013
112a7065a3
1217448165
13bc9859b
147973897
155123978
hex3725add

57826013 has 8 divisors (see below), whose sum is σ = 67624128. Its totient is φ = 48412224.

The previous prime is 57826009. The next prime is 57826019. The reversal of 57826013 is 31062875.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57826013 - 22 = 57826009 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 (57826019) 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, 95756 + ... + 96357.

It is an arithmetic number, because the mean of its divisors is an integer number (8453016).

Almost surely, 257826013 is an apocalyptic number.

It is an amenable number.

57826013 is a deficient number, since it is larger than the sum of its proper divisors (9798115).

57826013 is a wasteful number, since it uses less digits than its factorization.

57826013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192163.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 57826013 is about 7604.3417203595. The cubic root of 57826013 is about 386.7002176429.

Adding to 57826013 its reverse (31062875), we get a palindrome (88888888).

The spelling of 57826013 in words is "fifty-seven million, eight hundred twenty-six thousand, thirteen".

Divisors: 1 7 43 301 192113 1344791 8260859 57826013