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56182481 is a prime number
BaseRepresentation
bin1101011001010…
…0011011010001
310220201100212122
43112110123101
5103340314411
65324104025
71251354215
oct326243321
9126640778
1056182481
1129793803
1216995015
13b841494
147666945
154deb9db
hex35946d1

56182481 has 2 divisors, whose sum is σ = 56182482. Its totient is φ = 56182480.

The previous prime is 56182471. The next prime is 56182507. The reversal of 56182481 is 18428165.

56182481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56010256 + 172225 = 7484^2 + 415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56182481 is a prime.

It is a super-2 number, since 2×561824812 = 6312942342630722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56182471) 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 as a sum of consecutive naturals, namely, 28091240 + 28091241.

It is an arithmetic number, because the mean of its divisors is an integer number (28091241).

Almost surely, 256182481 is an apocalyptic number.

It is an amenable number.

56182481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56182481 is an equidigital number, since it uses as much as digits as its factorization.

56182481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 56182481 is about 7495.4973817619. The cubic root of 56182481 is about 383.0013497897.

The spelling of 56182481 in words is "fifty-six million, one hundred eighty-two thousand, four hundred eighty-one".