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520084 = 22130021
BaseRepresentation
bin1111110111110010100
3222102102101
41332332110
5113120314
615051444
74264165
oct1767624
9872371
10520084
11325824
12210b84
13152956
14d776c
15a4174
hex7ef94

520084 has 6 divisors (see below), whose sum is σ = 910154. Its totient is φ = 260040.

The previous prime is 520073. The next prime is 520103. The reversal of 520084 is 480025.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 228484 = 540^2 + 478^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65007 + ... + 65014.

2520084 is an apocalyptic number.

It is an amenable number.

520084 is a deficient number, since it is larger than the sum of its proper divisors (390070).

520084 is a wasteful number, since it uses less digits than its factorization.

520084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130025 (or 130023 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 520084 is about 721.1684962614. The cubic root of 520084 is about 80.4188449510.

The spelling of 520084 in words is "five hundred twenty thousand, eighty-four".

Divisors: 1 2 4 130021 260042 520084