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565242081 = 3375092271
BaseRepresentation
bin100001101100001…
…110100011100001
31110101121021100220
4201230032203201
52124200221311
6132031033253
720002323045
oct4154164341
91411537326
10565242081
11270078818
1213936b829
1390149091
14550da025
1534954206
hex21b0e8e1

565242081 has 8 divisors (see below), whose sum is σ = 774025344. Its totient is φ = 366643440.

The previous prime is 565242071. The next prime is 565242091. The reversal of 565242081 is 180242565.

It is an interprime number because it is at equal distance from previous prime (565242071) and next prime (565242091).

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

It is not a de Polignac number, because 565242081 - 211 = 565240033 is a prime.

It is a super-2 number, since 2×5652420812 = 638997220266421122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (565242011) 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 7 ways as a sum of consecutive naturals, for example, 2546025 + ... + 2546246.

It is an arithmetic number, because the mean of its divisors is an integer number (96753168).

Almost surely, 2565242081 is an apocalyptic number.

It is an amenable number.

565242081 is a deficient number, since it is larger than the sum of its proper divisors (208783263).

565242081 is a wasteful number, since it uses less digits than its factorization.

565242081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092311.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 565242081 is about 23774.8203147784. The cubic root of 565242081 is about 826.8209943366.

The spelling of 565242081 in words is "five hundred sixty-five million, two hundred forty-two thousand, eighty-one".

Divisors: 1 3 37 111 5092271 15276813 188414027 565242081