Base | Representation |
---|---|
bin | 100000010100… |
… | …0111110110111 |
3 | 1011212220021112 |
4 | 1000220332313 |
5 | 13314220304 |
6 | 1403105235 |
7 | 264013364 |
oct | 100507667 |
9 | 34786245 |
10 | 16945079 |
11 | 96240a8 |
12 | 581221b |
13 | 3683a98 |
14 | 237146b |
15 | 174ab6e |
hex | 1028fb7 |
16945079 has 2 divisors, whose sum is σ = 16945080. Its totient is φ = 16945078.
The previous prime is 16945067. The next prime is 16945081. The reversal of 16945079 is 97054961.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 16945079 - 24 = 16945063 is a prime.
It is a Sophie Germain prime.
Together with 16945081, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16945099) 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, 8472539 + 8472540.
It is an arithmetic number, because the mean of its divisors is an integer number (8472540).
Almost surely, 216945079 is an apocalyptic number.
16945079 is a deficient number, since it is larger than the sum of its proper divisors (1).
16945079 is an equidigital number, since it uses as much as digits as its factorization.
16945079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 16945079 is about 4116.4400882316. The cubic root of 16945079 is about 256.8509635673.
The spelling of 16945079 in words is "sixteen million, nine hundred forty-five thousand, seventy-nine".
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