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564469 = 1633463
BaseRepresentation
bin10001001110011110101
31001200022021
42021303311
5121030334
620033141
74540453
oct2116365
91050267
10564469
11356104
122327b1
13169c09
141099d3
15b23b4
hex89cf5

564469 has 4 divisors (see below), whose sum is σ = 568096. Its totient is φ = 560844.

The previous prime is 564467. The next prime is 564491. The reversal of 564469 is 964465.

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 564469 - 21 = 564467 is a prime.

It is a super-2 number, since 2×5644692 = 637250503922, 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 (564463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569 + ... + 1894.

It is an arithmetic number, because the mean of its divisors is an integer number (142024).

2564469 is an apocalyptic number.

It is an amenable number.

564469 is a deficient number, since it is larger than the sum of its proper divisors (3627).

564469 is a wasteful number, since it uses less digits than its factorization.

564469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its digits is 25920, while the sum is 34.

The square root of 564469 is about 751.3115199436. The cubic root of 564469 is about 82.6443874954.

The spelling of 564469 in words is "five hundred sixty-four thousand, four hundred sixty-nine".

Divisors: 1 163 3463 564469