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520334868 = 223173250643
BaseRepresentation
bin11111000000111…
…010111000010100
31100021002202020210
4133000322320110
52031201203433
6123344325420
715615526164
oct3700727024
91307082223
10520334868
11247796319
12126313870
1383a54a71
144d16a5a4
1530a33463
hex1f03ae14

520334868 has 24 divisors (see below), whose sum is σ = 1221137568. Its totient is φ = 172441696.

The previous prime is 520334831. The next prime is 520334897. The reversal of 520334868 is 868433025.

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, 123246 + ... + 127397.

It is an arithmetic number, because the mean of its divisors is an integer number (50880732).

Almost surely, 2520334868 is an apocalyptic number.

It is an amenable number.

520334868 is an abundant number, since it is smaller than the sum of its proper divisors (700802700).

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

520334868 is a wasteful number, since it uses less digits than its factorization.

520334868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250823 (or 250821 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 520334868 is about 22810.8497868887. The cubic root of 520334868 is about 804.3177316508.

The spelling of 520334868 in words is "five hundred twenty million, three hundred thirty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 250643 501286 751929 1002572 1503858 3007716 43361239 86722478 130083717 173444956 260167434 520334868