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520044304 = 24132500213
BaseRepresentation
bin11110111111110…
…011111100010000
31100020112222200011
4132333303330100
52031112404204
6123334204304
715613206103
oct3677637420
91306488604
10520044304
11247607a8a
121261b3694
1383982730
144d0d273a
15309c7304
hex1eff3f10

520044304 has 20 divisors (see below), whose sum is σ = 1085092876. Its totient is φ = 240020352.

The previous prime is 520044293. The next prime is 520044311. The reversal of 520044304 is 403440025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69755904 + 450288400 = 8352^2 + 21220^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249899 + ... + 1250314.

Almost surely, 2520044304 is an apocalyptic number.

It is an amenable number.

520044304 is an abundant number, since it is smaller than the sum of its proper divisors (565048572).

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

520044304 is a wasteful number, since it uses less digits than its factorization.

520044304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500234 (or 2500228 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 520044304 is about 22804.4799107544. The cubic root of 520044304 is about 804.1679887916.

Adding to 520044304 its reverse (403440025), we get a palindrome (923484329).

The spelling of 520044304 in words is "five hundred twenty million, forty-four thousand, three hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 2500213 5000426 10000852 20001704 32502769 40003408 65005538 130011076 260022152 520044304