Base | Representation |
---|---|
bin | 100111010110000… |
… | …010010110000001 |
3 | 1201000001221202212 |
4 | 213112002112001 |
5 | 2322440310233 |
6 | 145255551505 |
7 | 22233441242 |
oct | 4726022601 |
9 | 1630057685 |
10 | 660088193 |
11 | 30966a036 |
12 | 16508b595 |
13 | a69a6a3b |
14 | 63948cc9 |
15 | 3ce3ba48 |
hex | 27582581 |
660088193 has 2 divisors, whose sum is σ = 660088194. Its totient is φ = 660088192.
The previous prime is 660088159. The next prime is 660088199. The reversal of 660088193 is 391880066.
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., 344919184 + 315169009 = 18572^2 + 17753^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-660088193 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 660088193.
It is not a weakly prime, because it can be changed into another prime (660088199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330044096 + 330044097.
It is an arithmetic number, because the mean of its divisors is an integer number (330044097).
Almost surely, 2660088193 is an apocalyptic number.
It is an amenable number.
660088193 is a deficient number, since it is larger than the sum of its proper divisors (1).
660088193 is an equidigital number, since it uses as much as digits as its factorization.
660088193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 660088193 is about 25692.1815539280. The cubic root of 660088193 is about 870.6975482027.
The spelling of 660088193 in words is "six hundred sixty million, eighty-eight thousand, one hundred ninety-three".
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