Base | Representation |
---|---|
bin | 1100010111101… |
… | …1100010111111 |
3 | 10121122002120202 |
4 | 3011323202333 |
5 | 101240330041 |
6 | 5052034115 |
7 | 1200011633 |
oct | 305734277 |
9 | 117562522 |
10 | 51886271 |
11 | 27319a18 |
12 | 1546293b |
13 | a998b48 |
14 | 6c68dc3 |
15 | 484da9b |
hex | 317b8bf |
51886271 has 2 divisors, whose sum is σ = 51886272. Its totient is φ = 51886270.
The previous prime is 51886267. The next prime is 51886291. The reversal of 51886271 is 17268815.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51886271 - 22 = 51886267 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51886201) 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, 25943135 + 25943136.
It is an arithmetic number, because the mean of its divisors is an integer number (25943136).
Almost surely, 251886271 is an apocalyptic number.
51886271 is a deficient number, since it is larger than the sum of its proper divisors (1).
51886271 is an equidigital number, since it uses as much as digits as its factorization.
51886271 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 26880, while the sum is 38.
The square root of 51886271 is about 7203.2125471903. The cubic root of 51886271 is about 372.9788050354.
The spelling of 51886271 in words is "fifty-one million, eight hundred eighty-six thousand, two hundred seventy-one".
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