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520432325 = 52719156521
BaseRepresentation
bin11111000001010…
…010101011000101
31100021021200221022
4133001102223011
52031212313300
6123350400525
715616413260
oct3701225305
91307250838
10520432325
11247852566
12126360145
1383a8a22a
144d193cd7
1530a52285
hex1f052ac5

520432325 has 24 divisors (see below), whose sum is σ = 776349120. Its totient is φ = 338083200.

The previous prime is 520432313. The next prime is 520432331. The reversal of 520432325 is 523234025.

It is not a de Polignac number, because 520432325 - 26 = 520432261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520432294 and 520432303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74936 + ... + 81585.

It is an arithmetic number, because the mean of its divisors is an integer number (32347880).

Almost surely, 2520432325 is an apocalyptic number.

It is an amenable number.

520432325 is a deficient number, since it is larger than the sum of its proper divisors (255916795).

520432325 is a wasteful number, since it uses less digits than its factorization.

520432325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156557 (or 156552 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 520432325 is about 22812.9858852365. The cubic root of 520432325 is about 804.3679438665.

The spelling of 520432325 in words is "five hundred twenty million, four hundred thirty-two thousand, three hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 156521 782605 1095647 2973899 3913025 5478235 14869495 20817293 27391175 74347475 104086465 520432325