Base | Representation |
---|---|
bin | 1000010000110… |
… | …00010000101011 |
3 | 11211102002010012 |
4 | 10020120100223 |
5 | 120220233022 |
6 | 10513242135 |
7 | 1501041344 |
oct | 410302053 |
9 | 154362105 |
10 | 69305387 |
11 | 36137188 |
12 | 1b26334b |
13 | 11487608 |
14 | 92c10cb |
15 | 613ede2 |
hex | 421842b |
69305387 has 2 divisors, whose sum is σ = 69305388. Its totient is φ = 69305386.
The previous prime is 69305363. The next prime is 69305437. The reversal of 69305387 is 78350396.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 69305387 - 216 = 69239851 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (69305347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34652693 + 34652694.
It is an arithmetic number, because the mean of its divisors is an integer number (34652694).
Almost surely, 269305387 is an apocalyptic number.
69305387 is a deficient number, since it is larger than the sum of its proper divisors (1).
69305387 is an equidigital number, since it uses as much as digits as its factorization.
69305387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 136080, while the sum is 41.
The square root of 69305387 is about 8324.9857056934. The cubic root of 69305387 is about 410.7608062729.
The spelling of 69305387 in words is "sixty-nine million, three hundred five thousand, three hundred eighty-seven".
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