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568426997 is a prime number
BaseRepresentation
bin100001111000011…
…000000111110101
31110121121002020202
4201320120013311
52131004130442
6132223210245
720041356365
oct4170300765
91417532222
10568426997
11271953686
1213a446985
13909c2948
14556c89a5
1534d82c32
hex21e181f5

568426997 has 2 divisors, whose sum is σ = 568426998. Its totient is φ = 568426996.

The previous prime is 568426987. The next prime is 568427021. The reversal of 568426997 is 799624865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542610436 + 25816561 = 23294^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 568426997 - 28 = 568426741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (568426927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284213498 + 284213499.

It is an arithmetic number, because the mean of its divisors is an integer number (284213499).

Almost surely, 2568426997 is an apocalyptic number.

It is an amenable number.

568426997 is a deficient number, since it is larger than the sum of its proper divisors (1).

568426997 is an equidigital number, since it uses as much as digits as its factorization.

568426997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 568426997 is about 23841.7070907265. The cubic root of 568426997 is about 828.3710233444.

The spelling of 568426997 in words is "five hundred sixty-eight million, four hundred twenty-six thousand, nine hundred ninety-seven".