Base | Representation |
---|---|
bin | 1001100100000… |
… | …10101001100101 |
3 | 12120221221122022 |
4 | 10302002221211 |
5 | 131014230132 |
6 | 11543312525 |
7 | 1662626501 |
oct | 462025145 |
9 | 176857568 |
10 | 80226917 |
11 | 41316741 |
12 | 22a4b745 |
13 | 1380c764 |
14 | a925301 |
15 | 709ae12 |
hex | 4c82a65 |
80226917 has 2 divisors, whose sum is σ = 80226918. Its totient is φ = 80226916.
The previous prime is 80226899. The next prime is 80226931. The reversal of 80226917 is 71962208.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47348161 + 32878756 = 6881^2 + 5734^2 .
It is a cyclic number.
It is not a de Polignac number, because 80226917 - 222 = 76032613 is a prime.
It is a super-2 number, since 2×802269172 = 12872716422649778, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80222917) 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, 40113458 + 40113459.
It is an arithmetic number, because the mean of its divisors is an integer number (40113459).
Almost surely, 280226917 is an apocalyptic number.
It is an amenable number.
80226917 is a deficient number, since it is larger than the sum of its proper divisors (1).
80226917 is an equidigital number, since it uses as much as digits as its factorization.
80226917 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 80226917 is about 8956.9479735008. The cubic root of 80226917 is about 431.2939516361.
The spelling of 80226917 in words is "eighty million, two hundred twenty-six thousand, nine hundred seventeen".
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