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520528008 = 2337111347461
BaseRepresentation
bin11111000001101…
…010000010001000
31100021110120012010
4133001222002020
52031223344013
6123352415520
715620262240
oct3701520210
91307416163
10520528008
11247908440
121263a75a0
1383ac1950
144d1bab20
1530a707c3
hex1f06a088

520528008 has 256 divisors, whose sum is σ = 1788272640. Its totient is φ = 121881600.

The previous prime is 520527983. The next prime is 520528013. The reversal of 520528008 is 800825025.

It is a super-2 number, since 2×5205280082 = 541898814224896128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1128898 + ... + 1129358.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2520528008 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 520528008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894136320).

520528008 is an abundant number, since it is smaller than the sum of its proper divisors (1267744632).

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

520528008 is a wasteful number, since it uses less digits than its factorization.

520528008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 520528008 is about 22815.0829058323. The cubic root of 520528008 is about 804.4172359761.

The spelling of 520528008 in words is "five hundred twenty million, five hundred twenty-eight thousand, eight".