Base | Representation |
---|---|
bin | 1000001110110… |
… | …11001110001001 |
3 | 11210221101011021 |
4 | 10013123032021 |
5 | 120134232434 |
6 | 10504032441 |
7 | 1465650415 |
oct | 407331611 |
9 | 153841137 |
10 | 69055369 |
11 | 35a86359 |
12 | 1b162721 |
13 | 113ca886 |
14 | 9257d45 |
15 | 60e0cb4 |
hex | 41db389 |
69055369 has 2 divisors, whose sum is σ = 69055370. Its totient is φ = 69055368.
The previous prime is 69055319. The next prime is 69055379. The reversal of 69055369 is 96355096.
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., 39841344 + 29214025 = 6312^2 + 5405^2 .
It is a cyclic number.
It is not a de Polignac number, because 69055369 - 29 = 69054857 is a prime.
It is a super-2 number, since 2×690553692 = 9537287975452322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (69055319) 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, 34527684 + 34527685.
It is an arithmetic number, because the mean of its divisors is an integer number (34527685).
Almost surely, 269055369 is an apocalyptic number.
It is an amenable number.
69055369 is a deficient number, since it is larger than the sum of its proper divisors (1).
69055369 is an equidigital number, since it uses as much as digits as its factorization.
69055369 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 218700, while the sum is 43.
The square root of 69055369 is about 8309.9560167308. The cubic root of 69055369 is about 410.2662735914.
The spelling of 69055369 in words is "sixty-nine million, fifty-five thousand, three hundred sixty-nine".
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