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56120413 is a prime number
BaseRepresentation
bin1101011000010…
…1010001011101
310220121012201211
43112011101131
5103331323123
65322504421
71251005236
oct326052135
9126535654
1056120413
1129751108
1216965111
13b81c15b
14764c08d
154dd840d
hex358545d

56120413 has 2 divisors, whose sum is σ = 56120414. Its totient is φ = 56120412.

The previous prime is 56120401. The next prime is 56120479. The reversal of 56120413 is 31402165.

56120413 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., 46744569 + 9375844 = 6837^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 56120413 - 217 = 55989341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56121413) 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, 28060206 + 28060207.

It is an arithmetic number, because the mean of its divisors is an integer number (28060207).

Almost surely, 256120413 is an apocalyptic number.

It is an amenable number.

56120413 is a deficient number, since it is larger than the sum of its proper divisors (1).

56120413 is an equidigital number, since it uses as much as digits as its factorization.

56120413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56120413 is about 7491.3558852854. The cubic root of 56120413 is about 382.8602566537.

Adding to 56120413 its reverse (31402165), we get a palindrome (87522578).

The spelling of 56120413 in words is "fifty-six million, one hundred twenty thousand, four hundred thirteen".