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57839471 is a prime number
BaseRepresentation
bin1101110010100…
…0111101101111
311000211112211122
43130220331233
5104301330341
65423411155
71301425124
oct334507557
9130745748
1057839471
112a715718
1217453abb
13bca1751
14797874b
15512794b
hex3728f6f

57839471 has 2 divisors, whose sum is σ = 57839472. Its totient is φ = 57839470.

The previous prime is 57839461. The next prime is 57839489. The reversal of 57839471 is 17493875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57839471 - 222 = 53645167 is a prime.

It is a super-3 number, since 3×578394713 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57839461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28919735 + 28919736.

It is an arithmetic number, because the mean of its divisors is an integer number (28919736).

Almost surely, 257839471 is an apocalyptic number.

57839471 is a deficient number, since it is larger than the sum of its proper divisors (1).

57839471 is an equidigital number, since it uses as much as digits as its factorization.

57839471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 57839471 is about 7605.2265580981. The cubic root of 57839471 is about 386.7302145687.

The spelling of 57839471 in words is "fifty-seven million, eight hundred thirty-nine thousand, four hundred seventy-one".