Base | Representation |
---|---|
bin | 100111000011111… |
… | …100000010110101 |
3 | 1200200010220200111 |
4 | 213003330002311 |
5 | 2320232000142 |
6 | 145010143021 |
7 | 22145221213 |
oct | 4703740265 |
9 | 1620126614 |
10 | 655343797 |
11 | 306a19549 |
12 | 163581a71 |
13 | a5a053c4 |
14 | 63071cb3 |
15 | 3c800e17 |
hex | 270fc0b5 |
655343797 has 2 divisors, whose sum is σ = 655343798. Its totient is φ = 655343796.
The previous prime is 655343753. The next prime is 655343803. The reversal of 655343797 is 797343556.
655343797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 466171281 + 189172516 = 21591^2 + 13754^2 .
It is a cyclic number.
It is not a de Polignac number, because 655343797 - 219 = 654819509 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 655343797.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (655343707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327671898 + 327671899.
It is an arithmetic number, because the mean of its divisors is an integer number (327671899).
Almost surely, 2655343797 is an apocalyptic number.
It is an amenable number.
655343797 is a deficient number, since it is larger than the sum of its proper divisors (1).
655343797 is an equidigital number, since it uses as much as digits as its factorization.
655343797 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2381400, while the sum is 49.
The square root of 655343797 is about 25599.6835332002. The cubic root of 655343797 is about 868.6064787702.
The spelling of 655343797 in words is "six hundred fifty-five million, three hundred forty-three thousand, seven hundred ninety-seven".
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