Base | Representation |
---|---|
bin | 10111000100101… |
… | …100111110111101 |
3 | 222222102011102212 |
4 | 113010230332331 |
5 | 1243044440142 |
6 | 102225030205 |
7 | 12410241035 |
oct | 2704547675 |
9 | 888364385 |
10 | 387108797 |
11 | 189570629 |
12 | a9785365 |
13 | 62279a7a |
14 | 395aa8c5 |
15 | 23eb8d82 |
hex | 1712cfbd |
387108797 has 2 divisors, whose sum is σ = 387108798. Its totient is φ = 387108796.
The previous prime is 387108739. The next prime is 387108809. The reversal of 387108797 is 797801783.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 354230041 + 32878756 = 18821^2 + 5734^2 .
It is a cyclic number.
It is not a de Polignac number, because 387108797 - 218 = 386846653 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (387108737) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193554398 + 193554399.
It is an arithmetic number, because the mean of its divisors is an integer number (193554399).
Almost surely, 2387108797 is an apocalyptic number.
It is an amenable number.
387108797 is a deficient number, since it is larger than the sum of its proper divisors (1).
387108797 is an equidigital number, since it uses as much as digits as its factorization.
387108797 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 592704, while the sum is 50.
The square root of 387108797 is about 19675.0806097459. The cubic root of 387108797 is about 728.8044463850.
The spelling of 387108797 in words is "three hundred eighty-seven million, one hundred eight thousand, seven hundred ninety-seven".
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