Search a number
-
+
568263940 = 22528413197
BaseRepresentation
bin100001110111110…
…000010100000100
31110121021210120121
4201313300110010
52130433421230
6132215511324
720040110116
oct4167602404
91417253517
10568263940
11271852122
1213a388544
139096666a
14556853b6
1534d4e77a
hex21df0504

568263940 has 12 divisors (see below), whose sum is σ = 1193354316. Its totient is φ = 227305568.

The previous prime is 568263937. The next prime is 568263991. The reversal of 568263940 is 49362865.

It can be written as a sum of positive squares in 2 ways, for example, as 138862656 + 429401284 = 11784^2 + 20722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14206579 + ... + 14206618.

It is an arithmetic number, because the mean of its divisors is an integer number (99446193).

Almost surely, 2568263940 is an apocalyptic number.

It is an amenable number.

568263940 is an abundant number, since it is smaller than the sum of its proper divisors (625090376).

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

568263940 is a wasteful number, since it uses less digits than its factorization.

568263940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28413206 (or 28413204 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 568263940 is about 23838.2872706912. The cubic root of 568263940 is about 828.2918078883.

The spelling of 568263940 in words is "five hundred sixty-eight million, two hundred sixty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 28413197 56826394 113652788 142065985 284131970 568263940