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565068431 = 883963929
BaseRepresentation
bin100001101011100…
…100001010001111
31110101021110011102
4201223210022033
52124124142211
6132023213315
720001000554
oct4153441217
91411243142
10565068431
1126aa6a304
121392a723b
13900b8025
1455092a2b
153491ca3b
hex21ae428f

565068431 has 4 divisors (see below), whose sum is σ = 565141200. Its totient is φ = 564995664.

The previous prime is 565068401. The next prime is 565068433. The reversal of 565068431 is 134860565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-565068431 is a prime.

It is a super-2 number, since 2×5650684312 = 638604663425603522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565068433) 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, 23126 + ... + 40803.

It is an arithmetic number, because the mean of its divisors is an integer number (141285300).

Almost surely, 2565068431 is an apocalyptic number.

565068431 is a deficient number, since it is larger than the sum of its proper divisors (72769).

565068431 is an equidigital number, since it uses as much as digits as its factorization.

565068431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72768.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 565068431 is about 23771.1680613301. The cubic root of 565068431 is about 826.7363154731.

The spelling of 565068431 in words is "five hundred sixty-five million, sixty-eight thousand, four hundred thirty-one".

Divisors: 1 8839 63929 565068431