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523520082 = 23253932
BaseRepresentation
bin11111001101000…
…100100001010010
31100111002120112200
4133031010201102
52033010120312
6123540504030
715654563421
oct3715044122
91314076480
10523520082
11249571428
121273ab016
13845cb7c7
144d7592b8
1530e620dc
hex1f344852

523520082 has 18 divisors (see below), whose sum is σ = 1134503877. Its totient is φ = 174474336.

The previous prime is 523520071. The next prime is 523520099. The reversal of 523520082 is 280025325.

It can be written as a sum of positive squares in 2 ways, for example, as 372451401 + 151068681 = 19299^2 + 12291^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=16179.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 94378 + ... + 99770.

Almost surely, 2523520082 is an apocalyptic number.

523520082 is an abundant number, since it is smaller than the sum of its proper divisors (610983795).

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

523520082 is an frugal number, since it uses more digits than its factorization.

523520082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10794 (or 5398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 523520082 is about 22880.5612256343. The cubic root of 523520082 is about 805.9555962788.

The spelling of 523520082 in words is "five hundred twenty-three million, five hundred twenty thousand, eighty-two".

Divisors: 1 2 3 6 9 18 5393 10786 16179 32358 48537 97074 29084449 58168898 87253347 174506694 261760041 523520082