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520160225 = 52135927127
BaseRepresentation
bin11111000000010…
…000001111100001
31100020202212200112
4133000100033201
52031130111400
6123340501105
715614201054
oct3700201741
91306685615
10520160225
11247687092
1212624a795
13839c3420
144d122a9b
15309eb835
hex1f0103e1

520160225 has 24 divisors (see below), whose sum is σ = 706413120. Its totient is φ = 377593920.

The previous prime is 520160213. The next prime is 520160227. The reversal of 520160225 is 522061025.

It is not a de Polignac number, because 520160225 - 24 = 520160209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520160225.

It is not an unprimeable number, because it can be changed into a prime (520160227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5612 + ... + 32738.

It is an arithmetic number, because the mean of its divisors is an integer number (29433880).

Almost surely, 2520160225 is an apocalyptic number.

It is an amenable number.

520160225 is a deficient number, since it is larger than the sum of its proper divisors (186252895).

520160225 is a wasteful number, since it uses less digits than its factorization.

520160225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27209 (or 27204 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 520160225 is about 22807.0213969295. The cubic root of 520160225 is about 804.2277356446.

The spelling of 520160225 in words is "five hundred twenty million, one hundred sixty thousand, two hundred twenty-five".

Divisors: 1 5 13 25 59 65 295 325 767 1475 3835 19175 27127 135635 352651 678175 1600493 1763255 8002465 8816275 20806409 40012325 104032045 520160225