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564630880 = 25511541593
BaseRepresentation
bin100001101001111…
…001010101100000
31110100110012221211
4201221321111200
52124021142010
6132005555504
716664166112
oct4151712540
91410405854
10564630880
1126a7a05a0
12139115b94
138cc93b18
1454dbb3b2
153488308a
hex21a79560

564630880 has 96 divisors (see below), whose sum is σ = 1460356128. Its totient is φ = 204595200.

The previous prime is 564630853. The next prime is 564630883. The reversal of 564630880 is 88036465.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564630883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951864 + ... + 952456.

It is an arithmetic number, because the mean of its divisors is an integer number (15212043).

Almost surely, 2564630880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564630880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730178064).

564630880 is an abundant number, since it is smaller than the sum of its proper divisors (895725248).

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

564630880 is a wasteful number, since it uses less digits than its factorization.

564630880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 564630880 is about 23761.9628818833. The cubic root of 564630880 is about 826.5228706991.

The spelling of 564630880 in words is "five hundred sixty-four million, six hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 541 593 880 1082 1186 1760 2164 2372 2705 2965 4328 4744 5410 5930 5951 6523 8656 9488 10820 11860 11902 13046 17312 18976 21640 23720 23804 26092 29755 32615 43280 47440 47608 52184 59510 65230 86560 94880 95216 104368 119020 130460 190432 208736 238040 260920 320813 476080 521840 641626 952160 1043680 1283252 1604065 2566504 3208130 3528943 5133008 6416260 7057886 10266016 12832520 14115772 17644715 25665040 28231544 35289430 51330080 56463088 70578860 112926176 141157720 282315440 564630880