Base | Representation |
---|---|
bin | 11110110110010010100101 |
3 | 120012211212011 |
4 | 132312102211 |
5 | 4032233233 |
6 | 445154221 |
7 | 125510236 |
oct | 36662245 |
9 | 16184764 |
10 | 8086693 |
11 | 462371a |
12 | 285b971 |
13 | 18a1a34 |
14 | 110708d |
15 | a9b0cd |
hex | 7b64a5 |
8086693 has 2 divisors, whose sum is σ = 8086694. Its totient is φ = 8086692.
The previous prime is 8086681. The next prime is 8086697. The reversal of 8086693 is 3966808.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4334724 + 3751969 = 2082^2 + 1937^2 .
It is a cyclic number.
It is not a de Polignac number, because 8086693 - 29 = 8086181 is a prime.
8086693 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8086697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4043346 + 4043347.
It is an arithmetic number, because the mean of its divisors is an integer number (4043347).
Almost surely, 28086693 is an apocalyptic number.
It is an amenable number.
8086693 is a deficient number, since it is larger than the sum of its proper divisors (1).
8086693 is an equidigital number, since it uses as much as digits as its factorization.
8086693 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 8086693 is about 2843.7111316025. The cubic root of 8086693 is about 200.7198476550.
Subtracting from 8086693 its reverse (3966808), we obtain a triangular number (4119885 = T2870).
The spelling of 8086693 in words is "eight million, eighty-six thousand, six hundred ninety-three".
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