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520044032 = 296116651
BaseRepresentation
bin11110111111110…
…011111000000000
31100020112222022002
4132333303320000
52031112402112
6123334203132
715613205234
oct3677637000
91306488262
10520044032
11247607862
121261b34a8
1383982581
144d0d25c4
15309c71c2
hex1eff3e00

520044032 has 40 divisors (see below), whose sum is σ = 1056169752. Its totient is φ = 255744000.

The previous prime is 520044029. The next prime is 520044047. The reversal of 520044032 is 230440025.

It is a junction number, because it is equal to n+sod(n) for n = 520043995 and 520044013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22907 + ... + 39557.

Almost surely, 2520044032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528084876).

520044032 is an abundant number, since it is smaller than the sum of its proper divisors (536125720).

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

520044032 is an equidigital number, since it uses as much as digits as its factorization.

520044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16730 (or 16714 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 520044032 is about 22804.4739470131. The cubic root of 520044032 is about 804.1678485896.

Adding to 520044032 its reverse (230440025), we get a palindrome (750484057).

The spelling of 520044032 in words is "five hundred twenty million, forty-four thousand, thirty-two".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 256 488 512 976 1952 3904 7808 15616 16651 31232 33302 66604 133208 266416 532832 1015711 1065664 2031422 2131328 4062844 4262656 8125688 8525312 16251376 32502752 65005504 130011008 260022016 520044032