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568918057 is a prime number
BaseRepresentation
bin100001111010010…
…000000000101001
31110122112000212011
4201322100000221
52131120334212
6132241515521
720045503141
oct4172200051
91418460764
10568918057
11272159614
1213a642ba1
1390b35306
14557b5921
1534e2d4a7
hex21e90029

568918057 has 2 divisors, whose sum is σ = 568918058. Its totient is φ = 568918056.

The previous prime is 568918043. The next prime is 568918081. The reversal of 568918057 is 750819865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411440656 + 157477401 = 20284^2 + 12549^2 .

It is a cyclic number.

It is not a de Polignac number, because 568918057 - 211 = 568916009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 568918057.

It is not a weakly prime, because it can be changed into another prime (568918157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284459028 + 284459029.

It is an arithmetic number, because the mean of its divisors is an integer number (284459029).

Almost surely, 2568918057 is an apocalyptic number.

It is an amenable number.

568918057 is a deficient number, since it is larger than the sum of its proper divisors (1).

568918057 is an equidigital number, since it uses as much as digits as its factorization.

568918057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 49.

The square root of 568918057 is about 23852.0032072780. The cubic root of 568918057 is about 828.6094959451.

The spelling of 568918057 in words is "five hundred sixty-eight million, nine hundred eighteen thousand, fifty-seven".