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530564 = 22237379
BaseRepresentation
bin10000001100010000100
3222221210112
42001202010
5113434224
615212152
74336556
oct2014204
9887715
10530564
11332691
12217058
13157658
14db4d6
15a730e
hex81884

530564 has 24 divisors (see below), whose sum is σ = 994560. Its totient is φ = 247104.

The previous prime is 530549. The next prime is 530567. The reversal of 530564 is 465035.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (41440).

2530564 is an apocalyptic number.

It is an amenable number.

530564 is a deficient number, since it is larger than the sum of its proper divisors (463996).

530564 is a wasteful number, since it uses less digits than its factorization.

530564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530564 is about 728.3982427217. The cubic root of 530564 is about 80.9554192521.

Adding to 530564 its reverse (465035), we get a palindrome (995599).

The spelling of 530564 in words is "five hundred thirty thousand, five hundred sixty-four".

Divisors: 1 2 4 23 46 73 79 92 146 158 292 316 1679 1817 3358 3634 5767 6716 7268 11534 23068 132641 265282 530564