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561790675 = 5235363659
BaseRepresentation
bin100001011111000…
…011111011010011
31110011002220221001
4201133003323103
52122304300200
6131425042431
716631066455
oct4137037323
91404086831
10561790675
11269130716
12138186417
138c50b124
145487c2d5
15344c176a
hex217c3ed3

561790675 has 12 divisors (see below), whose sum is σ = 698604840. Its totient is φ = 448152320.

The previous prime is 561790661. The next prime is 561790679. The reversal of 561790675 is 576097165.

It is a happy number.

It is not a de Polignac number, because 561790675 - 27 = 561790547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561790679) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23005 + ... + 40654.

It is an arithmetic number, because the mean of its divisors is an integer number (58217070).

Almost surely, 2561790675 is an apocalyptic number.

561790675 is a deficient number, since it is larger than the sum of its proper divisors (136814165).

561790675 is a wasteful number, since it uses less digits than its factorization.

561790675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64022 (or 64017 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 561790675 is about 23702.1238499844. The cubic root of 561790675 is about 825.1346826336.

The spelling of 561790675 in words is "five hundred sixty-one million, seven hundred ninety thousand, six hundred seventy-five".

Divisors: 1 5 25 353 1765 8825 63659 318295 1591475 22471627 112358135 561790675