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56656141 is a prime number
BaseRepresentation
bin1101100000100…
…0000100001101
310221121102121121
43120020010031
5104000444031
65342200541
71255366153
oct330100415
9127542547
1056656141
1129a87663
1216b83151
13b978c59
14774b3d3
154e92011
hex360810d

56656141 has 2 divisors, whose sum is σ = 56656142. Its totient is φ = 56656140.

The previous prime is 56656133. The next prime is 56656163. The reversal of 56656141 is 14165665.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35450116 + 21206025 = 5954^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 56656141 - 23 = 56656133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56656097 and 56656106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56656441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328070 + 28328071.

It is an arithmetic number, because the mean of its divisors is an integer number (28328071).

Almost surely, 256656141 is an apocalyptic number.

It is an amenable number.

56656141 is a deficient number, since it is larger than the sum of its proper divisors (1).

56656141 is an equidigital number, since it uses as much as digits as its factorization.

56656141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 56656141 is about 7527.0273680916. The cubic root of 56656141 is about 384.0746676452.

The spelling of 56656141 in words is "fifty-six million, six hundred fifty-six thousand, one hundred forty-one".