Base | Representation |
---|---|
bin | 1011100111110101011 |
3 | 201100102022 |
4 | 1130332223 |
5 | 44141333 |
6 | 12055055 |
7 | 3144221 |
oct | 1347653 |
9 | 640368 |
10 | 380843 |
11 | 240151 |
12 | 16448b |
13 | 104468 |
14 | 9cb11 |
15 | 77c98 |
hex | 5cfab |
380843 has 2 divisors, whose sum is σ = 380844. Its totient is φ = 380842.
The previous prime is 380839. The next prime is 380867. The reversal of 380843 is 348083.
It is a weak prime.
It is an emirp because it is prime and its reverse (348083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 380843 - 22 = 380839 is a prime.
It is not a weakly prime, because it can be changed into another prime (380803) 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, 190421 + 190422.
It is an arithmetic number, because the mean of its divisors is an integer number (190422).
2380843 is an apocalyptic number.
380843 is a deficient number, since it is larger than the sum of its proper divisors (1).
380843 is an equidigital number, since it uses as much as digits as its factorization.
380843 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 380843 is about 617.1247847883. The cubic root of 380843 is about 72.4850861118.
The spelling of 380843 in words is "three hundred eighty thousand, eight hundred forty-three".
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