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56281301 is a prime number
BaseRepresentation
bin1101011010110…
…0100011010101
310220220101102122
43112230203111
5103402000201
65330145325
71252245266
oct326544325
9126811378
1056281301
1129850a7a
1216a22245
13b87745b
14769096d
154e1ae1b
hex35ac8d5

56281301 has 2 divisors, whose sum is σ = 56281302. Its totient is φ = 56281300.

The previous prime is 56281279. The next prime is 56281319. The reversal of 56281301 is 10318265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 106276 = 7495^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 56281301 - 218 = 56019157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56281331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28140650 + 28140651.

It is an arithmetic number, because the mean of its divisors is an integer number (28140651).

Almost surely, 256281301 is an apocalyptic number.

It is an amenable number.

56281301 is a deficient number, since it is larger than the sum of its proper divisors (1).

56281301 is an equidigital number, since it uses as much as digits as its factorization.

56281301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 56281301 is about 7502.0864431170. The cubic root of 56281301 is about 383.2257733931.

Adding to 56281301 its reverse (10318265), we get a palindrome (66599566).

The spelling of 56281301 in words is "fifty-six million, two hundred eighty-one thousand, three hundred one".