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564023 = 1912953
BaseRepresentation
bin10001001101100110111
31001122200202
42021230313
5121022043
620031115
74536245
oct2115467
91048622
10564023
11355839
1223249b
13169955
14109795
15b21b8
hex89b37

564023 has 4 divisors (see below), whose sum is σ = 567168. Its totient is φ = 560880.

The previous prime is 564017. The next prime is 564041. The reversal of 564023 is 320465.

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

It is a cyclic number.

It is not a de Polignac number, because 564023 - 214 = 547639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563986 and 564004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564013) 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, 1286 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (141792).

2564023 is an apocalyptic number.

564023 is a deficient number, since it is larger than the sum of its proper divisors (3145).

564023 is a wasteful number, since it uses less digits than its factorization.

564023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 564023 is about 751.0146469943. The cubic root of 564023 is about 82.6226153468.

Adding to 564023 its reverse (320465), we get a palindrome (884488).

The spelling of 564023 in words is "five hundred sixty-four thousand, twenty-three".

Divisors: 1 191 2953 564023