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568728 = 23332633
BaseRepresentation
bin10001010110110011000
31001220011000
42022312120
5121144403
620105000
74556046
oct2126630
91056130
10568728
11359326
12235160
1316bb34
1410b396
15b37a3
hex8ad98

568728 has 32 divisors (see below), whose sum is σ = 1580400. Its totient is φ = 189504.

The previous prime is 568723. The next prime is 568751. The reversal of 568728 is 827865.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 568692 and 568701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568723) by changing a digit.

568728 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, 1101 + ... + 1532.

2568728 is an apocalyptic number.

It is an amenable number.

568728 is an abundant number, since it is smaller than the sum of its proper divisors (1011672).

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

568728 is a wasteful number, since it uses less digits than its factorization.

568728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2638 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 568728 is about 754.1405704509. The cubic root of 568728 is about 82.8517215183.

It can be divided in two parts, 568 and 728, that added together give a 4-th power (1296 = 64).

The spelling of 568728 in words is "five hundred sixty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 2633 5266 7899 10532 15798 21064 23697 31596 47394 63192 71091 94788 142182 189576 284364 568728