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520275272 = 231123257053
BaseRepresentation
bin11111000000101…
…100010101001000
31100020222201111112
4133000230111020
52031142302042
6123343145452
715615160346
oct3700542510
91306881445
10520275272
11247755570
121262a5288
1383a338ba
144d152996
1530a20982
hex1f02c548

520275272 has 32 divisors (see below), whose sum is σ = 1110473280. Its totient is φ = 226205760.

The previous prime is 520275229. The next prime is 520275313. The reversal of 520275272 is 272572025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126503 + ... + 130550.

It is an arithmetic number, because the mean of its divisors is an integer number (34702290).

Almost surely, 2520275272 is an apocalyptic number.

It is an amenable number.

520275272 is an abundant number, since it is smaller than the sum of its proper divisors (590198008).

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

520275272 is a wasteful number, since it uses less digits than its factorization.

520275272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257093 (or 257089 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 520275272 is about 22809.5434412879. The cubic root of 520275272 is about 804.2870232534.

It can be divided in two parts, 5202 and 75272, that multiplied together give a square (391564944 = 197882).

The spelling of 520275272 in words is "five hundred twenty million, two hundred seventy-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 257053 514106 1028212 2056424 2827583 5655166 5912219 11310332 11824438 22620664 23648876 47297752 65034409 130068818 260137636 520275272