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56144269 is a prime number
BaseRepresentation
bin1101011000101…
…1000110001101
310220122102110101
43112023012031
5103333104034
65323211101
71251134626
oct326130615
9126572411
1056144269
1129768025
1216976a91
13b829c7c
147656a4d
154de0514
hex358b18d

56144269 has 2 divisors, whose sum is σ = 56144270. Its totient is φ = 56144268.

The previous prime is 56144239. The next prime is 56144303. The reversal of 56144269 is 96244165.

56144269 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., 34633225 + 21511044 = 5885^2 + 4638^2 .

It is a cyclic number.

It is not a de Polignac number, because 56144269 - 29 = 56143757 is a prime.

It is a super-2 number, since 2×561442692 = 6304357883088722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56144239) 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, 28072134 + 28072135.

It is an arithmetic number, because the mean of its divisors is an integer number (28072135).

Almost surely, 256144269 is an apocalyptic number.

It is an amenable number.

56144269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56144269 is an equidigital number, since it uses as much as digits as its factorization.

56144269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 56144269 is about 7492.9479512406. The cubic root of 56144269 is about 382.9144984760.

The spelling of 56144269 in words is "fifty-six million, one hundred forty-four thousand, two hundred sixty-nine".