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520538214 = 23741302287
BaseRepresentation
bin11111000001101…
…100100001100110
31100021111002012010
4133001230201212
52031224210324
6123352535050
715620334060
oct3701544146
91307432163
10520538214
11247915079
121263b1486
1383ac64a1
144d1c0730
1530a73829
hex1f06c866

520538214 has 32 divisors (see below), whose sum is σ = 1218825216. Its totient is φ = 145097280.

The previous prime is 520538203. The next prime is 520538273. The reversal of 520538214 is 412835025.

It is a Curzon number.

It is a congruent number.

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, 149422 + ... + 152865.

It is an arithmetic number, because the mean of its divisors is an integer number (38088288).

Almost surely, 2520538214 is an apocalyptic number.

520538214 is an abundant number, since it is smaller than the sum of its proper divisors (698287002).

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

520538214 is a wasteful number, since it uses less digits than its factorization.

520538214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302340.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 520538214 is about 22815.3065725622. The cubic root of 520538214 is about 804.4224933485.

The spelling of 520538214 in words is "five hundred twenty million, five hundred thirty-eight thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 861 1722 302287 604574 906861 1813722 2116009 4232018 6348027 12393767 12696054 24787534 37181301 74362602 86756369 173512738 260269107 520538214