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568061893 = 7109744511
BaseRepresentation
bin100001110110111…
…110111111000101
31110120220112102101
4201312332333011
52130410440033
6132211312101
720035306060
oct4166767705
91416815371
10568061893
11271724343
1213a2ab631
13908c56c9
14556318d7
1534d0e97d
hex21dbefc5

568061893 has 8 divisors (see below), whose sum is σ = 655170560. Its totient is φ = 482442480.

The previous prime is 568061891. The next prime is 568061927. The reversal of 568061893 is 398160865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568061893 - 21 = 568061891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568061891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 371493 + ... + 373018.

It is an arithmetic number, because the mean of its divisors is an integer number (81896320).

Almost surely, 2568061893 is an apocalyptic number.

It is an amenable number.

568061893 is a deficient number, since it is larger than the sum of its proper divisors (87108667).

568061893 is a wasteful number, since it uses less digits than its factorization.

568061893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744627.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 568061893 is about 23834.0490265502. The cubic root of 568061893 is about 828.1936295001.

The spelling of 568061893 in words is "five hundred sixty-eight million, sixty-one thousand, eight hundred ninety-three".

Divisors: 1 7 109 763 744511 5211577 81151699 568061893