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520893320 = 23513022333
BaseRepresentation
bin11111000011000…
…011001110001000
31100022011010022012
4133003003032020
52031322041240
6123404315052
715623343263
oct3703031610
91308133265
10520893320
11248037952
12126542a88
1383bbbccc
144d273cda
1530ae3b65
hex1f0c3388

520893320 has 16 divisors (see below), whose sum is σ = 1172010060. Its totient is φ = 208357312.

The previous prime is 520893313. The next prime is 520893323. The reversal of 520893320 is 23398025.

520893320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 490268164 + 30625156 = 22142^2 + 5534^2 .

It is not an unprimeable number, because it can be changed into a prime (520893323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6511127 + ... + 6511206.

Almost surely, 2520893320 is an apocalyptic number.

It is an amenable number.

520893320 is an abundant number, since it is smaller than the sum of its proper divisors (651116740).

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

520893320 is a wasteful number, since it uses less digits than its factorization.

520893320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022344 (or 13022340 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 520893320 is about 22823.0874335617. The cubic root of 520893320 is about 804.6053747802.

The spelling of 520893320 in words is "five hundred twenty million, eight hundred ninety-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13022333 26044666 52089332 65111665 104178664 130223330 260446660 520893320