Search a number
-
+
505838568 = 23321076607
BaseRepresentation
bin11110001001100…
…111101111101000
31022020211021001210
4132021213233220
52013443313233
6122105513120
715351362004
oct3611475750
91266737053
10505838568
1123a595004
121214a27a0
1380a4a781
144b275704
152e61d163
hex1e267be8

505838568 has 16 divisors (see below), whose sum is σ = 1264596480. Its totient is φ = 168612848.

The previous prime is 505838537. The next prime is 505838579. The reversal of 505838568 is 865838505.

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, 10538280 + ... + 10538327.

It is an arithmetic number, because the mean of its divisors is an integer number (79037280).

Almost surely, 2505838568 is an apocalyptic number.

It is an amenable number.

505838568 is an abundant number, since it is smaller than the sum of its proper divisors (758757912).

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

505838568 is a wasteful number, since it uses less digits than its factorization.

505838568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076616 (or 21076612 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 505838568 is about 22490.8552082841. The cubic root of 505838568 is about 796.7779613386. Note that the first 3 decimals are identical.

The spelling of 505838568 in words is "five hundred five million, eight hundred thirty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 21076607 42153214 63229821 84306428 126459642 168612856 252919284 505838568