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520708074 = 2386784679
BaseRepresentation
bin11111000010010…
…101111111101010
31100021210201012020
4133002111333222
52031300124244
6123400325310
715621642225
oct3702257752
91307721166
10520708074
11247a20757
12126473836
1383b558b3
144d2265bc
1530aa8d19
hex1f095fea

520708074 has 8 divisors (see below), whose sum is σ = 1041416160. Its totient is φ = 173569356.

The previous prime is 520708061. The next prime is 520708081. The reversal of 520708074 is 470807025.

It is a sphenic number, since it is the product of 3 distinct primes.

520708074 is an admirable number.

It is a super-2 number, since 2×5207080742 = 542273796657578952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43392334 + ... + 43392345.

It is an arithmetic number, because the mean of its divisors is an integer number (130177020).

Almost surely, 2520708074 is an apocalyptic number.

520708074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520708074 is a wasteful number, since it uses less digits than its factorization.

520708074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86784684.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 520708074 is about 22819.0287698666. The cubic root of 520708074 is about 804.5099825031.

The spelling of 520708074 in words is "five hundred twenty million, seven hundred eight thousand, seventy-four".

Divisors: 1 2 3 6 86784679 173569358 260354037 520708074