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56000071 is a prime number
BaseRepresentation
bin1101010110011…
…1111001000111
310220101002122201
43111213321013
5103314000241
65320135331
71246664341
oct325477107
9126332581
1056000071
1129679756
1216907547
13b7a944a
14761a291
154db2931
hex3567e47

56000071 has 2 divisors, whose sum is σ = 56000072. Its totient is φ = 56000070.

The previous prime is 56000059. The next prime is 56000089. The reversal of 56000071 is 17000065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56000071 - 25 = 56000039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56000041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000035 + 28000036.

It is an arithmetic number, because the mean of its divisors is an integer number (28000036).

Almost surely, 256000071 is an apocalyptic number.

56000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

56000071 is an equidigital number, since it uses as much as digits as its factorization.

56000071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 56000071 is about 7483.3195174334. The cubic root of 56000071 is about 382.5863982426.

The spelling of 56000071 in words is "fifty-six million, seventy-one", and thus it is an aban number and an uban number.