Base | Representation |
---|---|
bin | 1011101000110001011 |
3 | 201101002002 |
4 | 1131012023 |
5 | 44200243 |
6 | 12101215 |
7 | 3145505 |
oct | 1350613 |
9 | 641062 |
10 | 381323 |
11 | 240548 |
12 | 16480b |
13 | 104747 |
14 | 9cd75 |
15 | 77eb8 |
hex | 5d18b |
381323 has 2 divisors, whose sum is σ = 381324. Its totient is φ = 381322.
The previous prime is 381319. The next prime is 381343. The reversal of 381323 is 323183.
It is an a-pointer prime, because the next prime (381343) can be obtained adding 381323 to its sum of digits (20).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 381323 - 22 = 381319 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 381295 and 381304.
It is not a weakly prime, because it can be changed into another prime (381343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190661 + 190662.
It is an arithmetic number, because the mean of its divisors is an integer number (190662).
2381323 is an apocalyptic number.
381323 is a deficient number, since it is larger than the sum of its proper divisors (1).
381323 is an equidigital number, since it uses as much as digits as its factorization.
381323 is an evil number, because the sum of its binary digits is even.
The product of its digits is 432, while the sum is 20.
The square root of 381323 is about 617.5135626041. The cubic root of 381323 is about 72.5155258069.
The spelling of 381323 in words is "three hundred eighty-one thousand, three hundred twenty-three".
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