Base | Representation |
---|---|
bin | 1010011000100… |
… | …11001100010001 |
3 | 20001220200000202 |
4 | 11030103030101 |
5 | 134300013132 |
6 | 12351024545 |
7 | 2105266142 |
oct | 514231421 |
9 | 201820022 |
10 | 87110417 |
11 | 45198389 |
12 | 2520b155 |
13 | 1507c934 |
14 | b7d7ac9 |
15 | 79aa762 |
hex | 5313311 |
87110417 has 2 divisors, whose sum is σ = 87110418. Its totient is φ = 87110416.
The previous prime is 87110399. The next prime is 87110449. The reversal of 87110417 is 71401178.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 45171841 + 41938576 = 6721^2 + 6476^2 .
It is a cyclic number.
It is not a de Polignac number, because 87110417 - 28 = 87110161 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87110417.
It is not a weakly prime, because it can be changed into another prime (87110467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43555208 + 43555209.
It is an arithmetic number, because the mean of its divisors is an integer number (43555209).
Almost surely, 287110417 is an apocalyptic number.
It is an amenable number.
87110417 is a deficient number, since it is larger than the sum of its proper divisors (1).
87110417 is an equidigital number, since it uses as much as digits as its factorization.
87110417 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1568, while the sum is 29.
The square root of 87110417 is about 9333.2961487355. The cubic root of 87110417 is about 443.2921400033.
The spelling of 87110417 in words is "eighty-seven million, one hundred ten thousand, four hundred seventeen".
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