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564894023 = 4194714549
BaseRepresentation
bin100001101010111…
…001100101000111
31110100221120220212
4201222321211013
52124103102043
6132015350035
716666343231
oct4152714507
91410846825
10564894023
1126a960271
1213922231b
1390056825
1455049251
15348d6018
hex21ab9947

564894023 has 8 divisors (see below), whose sum is σ = 579322800. Its totient is φ = 550496320.

The previous prime is 564894013. The next prime is 564894041. The reversal of 564894023 is 320498465.

564894023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564894023 - 216 = 564828487 is a prime.

It is a super-2 number, since 2×5648940232 = 638210514442249058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564894013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31553 + ... + 46101.

It is an arithmetic number, because the mean of its divisors is an integer number (72415350).

Almost surely, 2564894023 is an apocalyptic number.

564894023 is a deficient number, since it is larger than the sum of its proper divisors (14428777).

564894023 is a wasteful number, since it uses less digits than its factorization.

564894023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 564894023 is about 23767.4993005154. The cubic root of 564894023 is about 826.6512495138.

The spelling of 564894023 in words is "five hundred sixty-four million, eight hundred ninety-four thousand, twenty-three".

Divisors: 1 41 947 14549 38827 596509 13777903 564894023