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520343122 = 213233128069
BaseRepresentation
bin11111000000111…
…100111001010010
31100021010011120111
4133000330321102
52031201434442
6123344431534
715615562225
oct3700747122
91307104514
10520343122
112477a1542
121263185aa
1383a58750
144d16d5bc
1530a35b17
hex1f03ce52

520343122 has 32 divisors (see below), whose sum is σ = 905425920. Its totient is φ = 222298560.

The previous prime is 520343077. The next prime is 520343141. The reversal of 520343122 is 221343025.

It is a super-2 number, since 2×5203431222 = 541513929225413768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520343093 and 520343102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504 + ... + 32572.

It is an arithmetic number, because the mean of its divisors is an integer number (28294560).

Almost surely, 2520343122 is an apocalyptic number.

520343122 is a deficient number, since it is larger than the sum of its proper divisors (385082798).

520343122 is a wasteful number, since it uses less digits than its factorization.

520343122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28138.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 520343122 is about 22811.0307088479. The cubic root of 520343122 is about 804.3219845553.

Adding to 520343122 its reverse (221343025), we get a palindrome (741686147).

The spelling of 520343122 in words is "five hundred twenty million, three hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 13 23 26 31 46 62 299 403 598 713 806 1426 9269 18538 28069 56138 364897 645587 729794 870139 1291174 1740278 8392631 11311807 16785262 20013197 22623614 40026394 260171561 520343122