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520484 = 22130121
BaseRepresentation
bin1111111000100100100
3222102222012
41333010210
5113123414
615053352
74265306
oct1770444
9872865
10520484
11326058
12211258
13152ba3
14d7976
15a433e
hex7f124

520484 has 6 divisors (see below), whose sum is σ = 910854. Its totient is φ = 260240.

The previous prime is 520451. The next prime is 520529. The reversal of 520484 is 484025.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 16384 = 710^2 + 128^2 .

It is an unprimeable number.

520484 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65057 + ... + 65064.

It is an arithmetic number, because the mean of its divisors is an integer number (151809).

2520484 is an apocalyptic number.

It is an amenable number.

520484 is a deficient number, since it is larger than the sum of its proper divisors (390370).

520484 is a wasteful number, since it uses less digits than its factorization.

520484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130125 (or 130123 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 520484 is about 721.4457706578. The cubic root of 520484 is about 80.4394565540.

The spelling of 520484 in words is "five hundred twenty thousand, four hundred eighty-four".

Divisors: 1 2 4 130121 260242 520484