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565040131 = 312587971
BaseRepresentation
bin100001101011011…
…101010000000011
31110101020000100021
4201223131100003
52124122241011
6132022434311
720000522215
oct4153352003
91411200307
10565040131
1126aa50017
12139292997
13900a8196
14550865b5
1534914471
hex21add403

565040131 has 6 divisors (see below), whose sum is σ = 583856196. Its totient is φ = 546812100.

The previous prime is 565040111. The next prime is 565040141. The reversal of 565040131 is 131040565.

It is not a de Polignac number, because 565040131 - 29 = 565039619 is a prime.

It is a super-2 number, since 2×5650401312 = 638540699280994322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 565040096 and 565040105.

It is not an unprimeable number, because it can be changed into a prime (565040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293025 + ... + 294946.

It is an arithmetic number, because the mean of its divisors is an integer number (97309366).

Almost surely, 2565040131 is an apocalyptic number.

565040131 is a deficient number, since it is larger than the sum of its proper divisors (18816065).

565040131 is an equidigital number, since it uses as much as digits as its factorization.

565040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588033 (or 588002 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 565040131 is about 23770.5727949496. The cubic root of 565040131 is about 826.7225135882.

Adding to 565040131 its reverse (131040565), we get a palindrome (696080696).

The spelling of 565040131 in words is "five hundred sixty-five million, forty thousand, one hundred thirty-one".

Divisors: 1 31 961 587971 18227101 565040131