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813052824 = 23339785333
BaseRepresentation
bin110000011101100…
…011001110011000
32002122220100210120
4300131203032120
53131120142244
6212402313240
726101556253
oct6035431630
92078810716
10813052824
11387a46691
121a8358820
13cc5a315c
1479da609a
154b5a4819
hex30763398

813052824 has 32 divisors (see below), whose sum is σ = 2037775920. Its totient is φ = 270331776.

The previous prime is 813052819. The next prime is 813052873. The reversal of 813052824 is 428250318.

It is a super-2 number, since 2×8130528242 = 1322109789228749952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33139 + ... + 52194.

Almost surely, 2813052824 is an apocalyptic number.

It is an amenable number.

813052824 is an abundant number, since it is smaller than the sum of its proper divisors (1224723096).

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

813052824 is a wasteful number, since it uses less digits than its factorization.

813052824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85739 (or 85735 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 813052824 is about 28514.0811530023. The cubic root of 813052824 is about 933.3393742239.

The spelling of 813052824 in words is "eight hundred thirteen million, fifty-two thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 397 794 1191 1588 2382 3176 4764 9528 85333 170666 255999 341332 511998 682664 1023996 2047992 33877201 67754402 101631603 135508804 203263206 271017608 406526412 813052824