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530656 = 25723103
BaseRepresentation
bin10000001100011100000
3222221220221
42001203200
5113440111
615212424
74340050
oct2014340
9887827
10530656
11332765
12217114
131576c9
14db560
15a7371
hex818e0

530656 has 48 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 215424.

The previous prime is 530653. The next prime is 530659. The reversal of 530656 is 656035.

It is an interprime number because it is at equal distance from previous prime (530653) and next prime (530659).

It is a self number, because there is not a number n which added to its sum of digits gives 530656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2530656 is an apocalyptic number.

530656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992).

530656 is an abundant number, since it is smaller than the sum of its proper divisors (727328).

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

530656 is a wasteful number, since it uses less digits than its factorization.

530656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 530656 is about 728.4613922508. The cubic root of 530656 is about 80.9600982152.

The spelling of 530656 in words is "five hundred thirty thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 92 103 112 161 184 206 224 322 368 412 644 721 736 824 1288 1442 1648 2369 2576 2884 3296 4738 5152 5768 9476 11536 16583 18952 23072 33166 37904 66332 75808 132664 265328 530656