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523080836 = 22130770209
BaseRepresentation
bin11111001011011…
…001010010000100
31100110021021000022
4133023121102010
52032402041321
6123523234312
715651054005
oct3713312204
91313237008
10523080836
112492a1413
12127218998
13844a68b5
144d6831ac
1530dc6dab
hex1f2d9484

523080836 has 6 divisors (see below), whose sum is σ = 915391470. Its totient is φ = 261540416.

The previous prime is 523080827. The next prime is 523080839. The reversal of 523080836 is 638080325.

It can be written as a sum of positive squares in only one way, i.e., 413878336 + 109202500 = 20344^2 + 10450^2 .

It is a super-2 number, since 2×5230808362 = 547227121980917792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 523080796 and 523080805.

It is not an unprimeable number, because it can be changed into a prime (523080839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65385101 + ... + 65385108.

It is an arithmetic number, because the mean of its divisors is an integer number (152565245).

Almost surely, 2523080836 is an apocalyptic number.

It is an amenable number.

523080836 is a deficient number, since it is larger than the sum of its proper divisors (392310634).

523080836 is a wasteful number, since it uses less digits than its factorization.

523080836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130770213 (or 130770211 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 523080836 is about 22870.9605395139. The cubic root of 523080836 is about 805.7301278020.

The spelling of 523080836 in words is "five hundred twenty-three million, eighty thousand, eight hundred thirty-six".

Divisors: 1 2 4 130770209 261540418 523080836