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56486369 is a prime number
BaseRepresentation
bin1101011101111…
…0100111100001
310221021210201202
43113132213201
5103430030434
65334410545
71254061202
oct327364741
9127253652
1056486369
1129981055
1216b00a55
13b9198b4
1477055a9
154e5ba7e
hex35de9e1

56486369 has 2 divisors, whose sum is σ = 56486370. Its totient is φ = 56486368.

The previous prime is 56486363. The next prime is 56486377. The reversal of 56486369 is 96368465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 26368225 = 5488^2 + 5135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56486369 is a prime.

It is a super-2 number, since 2×564863692 = 6381419765608322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56486363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28243184 + 28243185.

It is an arithmetic number, because the mean of its divisors is an integer number (28243185).

Almost surely, 256486369 is an apocalyptic number.

It is an amenable number.

56486369 is a deficient number, since it is larger than the sum of its proper divisors (1).

56486369 is an equidigital number, since it uses as much as digits as its factorization.

56486369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 56486369 is about 7515.7414138593. The cubic root of 56486369 is about 383.6906530045.

The spelling of 56486369 in words is "fifty-six million, four hundred eighty-six thousand, three hundred sixty-nine".