Base | Representation |
---|---|
bin | 1101010110011… |
… | …1111010001111 |
3 | 10220101002202101 |
4 | 3111213322033 |
5 | 103314001033 |
6 | 5320135531 |
7 | 1246664503 |
oct | 325477217 |
9 | 126332671 |
10 | 56000143 |
11 | 29679811 |
12 | 169075a7 |
13 | b7a94a4 |
14 | 761a303 |
15 | 4db297d |
hex | 3567e8f |
56000143 has 2 divisors, whose sum is σ = 56000144. Its totient is φ = 56000142.
The previous prime is 56000123. The next prime is 56000149. The reversal of 56000143 is 34100065.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 56000143 - 25 = 56000111 is a prime.
56000143 is a modest number, since divided by 143 gives 56 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 56000143.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56000149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28000071 + 28000072.
It is an arithmetic number, because the mean of its divisors is an integer number (28000072).
Almost surely, 256000143 is an apocalyptic number.
56000143 is a deficient number, since it is larger than the sum of its proper divisors (1).
56000143 is an equidigital number, since it uses as much as digits as its factorization.
56000143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 56000143 is about 7483.3243281312. The cubic root of 56000143 is about 382.5865622080.
The spelling of 56000143 in words is "fifty-six million, one hundred forty-three", and thus it is an aban number.
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