Base | Representation |
---|---|
bin | 110000110101… |
… | …110101011111 |
3 | 220002110222212 |
4 | 300311311133 |
5 | 11234202143 |
6 | 1134231035 |
7 | 213553523 |
oct | 60656537 |
9 | 26073885 |
10 | 12803423 |
11 | 7255446 |
12 | 435547b |
13 | 28638b9 |
14 | 19b3d83 |
15 | 11cd918 |
hex | c35d5f |
12803423 has 2 divisors, whose sum is σ = 12803424. Its totient is φ = 12803422.
The previous prime is 12803407. The next prime is 12803447. The reversal of 12803423 is 32430821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12803423 - 24 = 12803407 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12802423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401711 + 6401712.
It is an arithmetic number, because the mean of its divisors is an integer number (6401712).
Almost surely, 212803423 is an apocalyptic number.
12803423 is a deficient number, since it is larger than the sum of its proper divisors (1).
12803423 is an equidigital number, since it uses as much as digits as its factorization.
12803423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 12803423 is about 3578.1871108146. The cubic root of 12803423 is about 233.9422691000.
The spelling of 12803423 in words is "twelve million, eight hundred three thousand, four hundred twenty-three".
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