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565797013 = 3111819283
BaseRepresentation
bin100001101110010…
…110000010010101
31110102122110120221
4201232112002111
52124321001023
6132050554341
720010123655
oct4156260225
91412573527
10565797013
11270417741
121395989b1
13902b1842
1455202365
1534a1385d
hex21b96095

565797013 has 4 divisors (see below), whose sum is σ = 567616608. Its totient is φ = 563977420.

The previous prime is 565796981. The next prime is 565797031. The reversal of 565797013 is 310797565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565797013 - 25 = 565796981 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 (565797413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909331 + ... + 909952.

It is an arithmetic number, because the mean of its divisors is an integer number (141904152).

Almost surely, 2565797013 is an apocalyptic number.

It is an amenable number.

565797013 is a deficient number, since it is larger than the sum of its proper divisors (1819595).

565797013 is a wasteful number, since it uses less digits than its factorization.

565797013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819594.

The product of its (nonzero) digits is 198450, while the sum is 43.

The square root of 565797013 is about 23786.4880341760. The cubic root of 565797013 is about 827.0914857313.

The spelling of 565797013 in words is "five hundred sixty-five million, seven hundred ninety-seven thousand, thirteen".

Divisors: 1 311 1819283 565797013