Base | Representation |
---|---|
bin | 10101100010110… |
… | …010111010011001 |
3 | 221012010012112122 |
4 | 111202302322121 |
5 | 1220012133334 |
6 | 55510551025 |
7 | 11646133406 |
oct | 2542627231 |
9 | 835105478 |
10 | 361442969 |
11 | 1760304a8 |
12 | a1068475 |
13 | 59b617a4 |
14 | 360092ad |
15 | 21ae932e |
hex | 158b2e99 |
361442969 has 2 divisors, whose sum is σ = 361442970. Its totient is φ = 361442968.
The previous prime is 361442959. The next prime is 361443011. The reversal of 361442969 is 969244163.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 295427344 + 66015625 = 17188^2 + 8125^2 .
It is an emirp because it is prime and its reverse (969244163) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 361442969 - 212 = 361438873 is a prime.
It is a super-2 number, since 2×3614429692 = 261282039679069922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (361442959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180721484 + 180721485.
It is an arithmetic number, because the mean of its divisors is an integer number (180721485).
Almost surely, 2361442969 is an apocalyptic number.
It is an amenable number.
361442969 is a deficient number, since it is larger than the sum of its proper divisors (1).
361442969 is an equidigital number, since it uses as much as digits as its factorization.
361442969 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 279936, while the sum is 44.
The square root of 361442969 is about 19011.6535051531. The cubic root of 361442969 is about 712.3278543385.
The spelling of 361442969 in words is "three hundred sixty-one million, four hundred forty-two thousand, nine hundred sixty-nine".
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