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520393122 = 23285333893
BaseRepresentation
bin11111000001001…
…001000110100010
31100021012201011100
4133001021012202
52031210034442
6123345455230
715616161054
oct3701110642
91307181140
10520393122
11247826067
12126341516
1383a75432
144d1838d4
1530a4584c
hex1f0491a2

520393122 has 24 divisors (see below), whose sum is σ = 1128873564. Its totient is φ = 173255904.

The previous prime is 520393121. The next prime is 520393127. The reversal of 520393122 is 221393025.

It can be written as a sum of positive squares in 2 ways, for example, as 510714801 + 9678321 = 22599^2 + 3111^2 .

It is not an unprimeable number, because it can be changed into a prime (520393121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593 + ... + 32300.

Almost surely, 2520393122 is an apocalyptic number.

520393122 is an abundant number, since it is smaller than the sum of its proper divisors (608480442).

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

520393122 is a wasteful number, since it uses less digits than its factorization.

520393122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34754 (or 34751 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 520393122 is about 22812.1266435201. The cubic root of 520393122 is about 804.3477462815.

The spelling of 520393122 in words is "five hundred twenty million, three hundred ninety-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 853 1706 2559 5118 7677 15354 33893 67786 101679 203358 305037 610074 28910729 57821458 86732187 173464374 260196561 520393122