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564860023 = 71326912
BaseRepresentation
bin100001101010110…
…001010001110111
31110100212212021121
4201222301101313
52124101010043
6132014524411
716666142140
oct4152612167
91410785247
10564860023
1126a937772
12139206707
1390044200
145503aac7
15348caded
hex21ab1477

564860023 has 18 divisors (see below), whose sum is σ = 700045272. Its totient is φ = 446275440.

The previous prime is 564860011. The next prime is 564860027. The reversal of 564860023 is 320068465.

It is a happy number.

564860023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-564860023 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 (564860027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 817108 + ... + 817798.

It is an arithmetic number, because the mean of its divisors is an integer number (38891404).

Almost surely, 2564860023 is an apocalyptic number.

564860023 is a deficient number, since it is larger than the sum of its proper divisors (135185249).

564860023 is an frugal number, since it uses more digits than its factorization.

564860023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 564860023 is about 23766.7840272932. The cubic root of 564860023 is about 826.6346642752.

The spelling of 564860023 in words is "five hundred sixty-four million, eight hundred sixty thousand, twenty-three".

Divisors: 1 7 13 91 169 691 1183 4837 8983 62881 116779 477481 817453 3342367 6207253 43450771 80694289 564860023