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811552482 = 232134577589
BaseRepresentation
bin110000010111110…
…100111011100010
32002120002010201100
4300113310323202
53130224134412
6212310215230
726053040136
oct6027647342
92076063640
10811552482
11387111434
121a7954516
13cc199290
1479ad53c6
154b3a9edc
hex305f4ee2

811552482 has 48 divisors (see below), whose sum is σ = 1898016120. Its totient is φ = 249129216.

The previous prime is 811552429. The next prime is 811552519. The reversal of 811552482 is 284255118.

It can be written as a sum of positive squares in 4 ways, for example, as 459202041 + 352350441 = 21429^2 + 18771^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103144 + ... + 110732.

Almost surely, 2811552482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811552482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949008060).

811552482 is an abundant number, since it is smaller than the sum of its proper divisors (1086463638).

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

811552482 is a wasteful number, since it uses less digits than its factorization.

811552482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067 (or 8064 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 811552482 is about 28487.7602138181. The cubic root of 811552482 is about 932.7649176995.

The spelling of 811552482 in words is "eight hundred eleven million, five hundred fifty-two thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 457 914 1371 2742 4113 5941 7589 8226 11882 15178 17823 22767 35646 45534 53469 68301 98657 106938 136602 197314 295971 591942 887913 1775826 3468173 6936346 10404519 20809038 31213557 45086249 62427114 90172498 135258747 270517494 405776241 811552482