Base | Representation |
---|---|
bin | 100100011001… |
… | …0111001100001 |
3 | 1022220111202012 |
4 | 1020302321201 |
5 | 14341122344 |
6 | 1521002305 |
7 | 321126062 |
oct | 110627141 |
9 | 38814665 |
10 | 19082849 |
11 | a854255 |
12 | 6483395 |
13 | 3c51b36 |
14 | 276a569 |
15 | 1a1e29e |
hex | 1232e61 |
19082849 has 2 divisors, whose sum is σ = 19082850. Its totient is φ = 19082848.
The previous prime is 19082831. The next prime is 19082851. The reversal of 19082849 is 94828091.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11102224 + 7980625 = 3332^2 + 2825^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19082849 is a prime.
Together with 19082851, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (19082549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9541424 + 9541425.
It is an arithmetic number, because the mean of its divisors is an integer number (9541425).
Almost surely, 219082849 is an apocalyptic number.
It is an amenable number.
19082849 is a deficient number, since it is larger than the sum of its proper divisors (1).
19082849 is an equidigital number, since it uses as much as digits as its factorization.
19082849 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 41.
The square root of 19082849 is about 4368.3920382676. The cubic root of 19082849 is about 267.2274523365.
The spelling of 19082849 in words is "nineteen million, eighty-two thousand, eight hundred forty-nine".
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