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568256540 = 22528412827
BaseRepresentation
bin100001110111101…
…110100000011100
31110121021102102112
4201313232200130
52130433202130
6132215413152
720040046415
oct4167564034
91417242375
10568256540
11271847605
1213a3841b8
1390963197
145568280c
1534d4c495
hex21dee81c

568256540 has 12 divisors (see below), whose sum is σ = 1193338776. Its totient is φ = 227302608.

The previous prime is 568256539. The next prime is 568256543. The reversal of 568256540 is 45652865.

568256540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568256543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14206394 + ... + 14206433.

It is an arithmetic number, because the mean of its divisors is an integer number (99444898).

Almost surely, 2568256540 is an apocalyptic number.

It is an amenable number.

568256540 is an abundant number, since it is smaller than the sum of its proper divisors (625082236).

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

568256540 is a wasteful number, since it uses less digits than its factorization.

568256540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28412836 (or 28412834 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 568256540 is about 23838.1320576928. The cubic root of 568256540 is about 828.2882125016.

The spelling of 568256540 in words is "five hundred sixty-eight million, two hundred fifty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 28412827 56825654 113651308 142064135 284128270 568256540