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528564 = 223172591
BaseRepresentation
bin10000001000010110100
3222212001110
42001002310
5113403224
615155020
74331001
oct2010264
9885043
10528564
11331133
12215a70
1315677a
14da8a8
15a6929
hex810b4

528564 has 24 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 165760.

The previous prime is 528559. The next prime is 528611. The reversal of 528564 is 465825.

It can be divided in two parts, 528 and 564, that multiplied together give a palindrome (297792).

528564 is nontrivially palindromic in base 11.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

528564 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2528564 is an apocalyptic number.

It is an amenable number.

528564 is an abundant number, since it is smaller than the sum of its proper divisors (777804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528564 is a wasteful number, since it uses less digits than its factorization.

528564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2613 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 528564 is about 727.0240711283. The cubic root of 528564 is about 80.8535686990.

The spelling of 528564 in words is "five hundred twenty-eight thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 2591 5182 7773 10364 15546 31092 44047 88094 132141 176188 264282 528564