Base | Representation |
---|---|
bin | 1011101010100010111 |
3 | 201102022201 |
4 | 1131110113 |
5 | 44212411 |
6 | 12105331 |
7 | 3151243 |
oct | 1352427 |
9 | 642281 |
10 | 382231 |
11 | 2411a3 |
12 | 165247 |
13 | 104c95 |
14 | 9d423 |
15 | 783c1 |
hex | 5d517 |
382231 has 2 divisors, whose sum is σ = 382232. Its totient is φ = 382230.
The previous prime is 382229. The next prime is 382241. The reversal of 382231 is 132283.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (132283) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 382231 - 21 = 382229 is a prime.
It is a super-2 number, since 2×3822312 = 292201074722, which contains 22 as substring.
Together with 382229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 382199 and 382208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382241) 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, 191115 + 191116.
It is an arithmetic number, because the mean of its divisors is an integer number (191116).
2382231 is an apocalyptic number.
382231 is a deficient number, since it is larger than the sum of its proper divisors (1).
382231 is an equidigital number, since it uses as much as digits as its factorization.
382231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 288, while the sum is 19.
The square root of 382231 is about 618.2483319832. The cubic root of 382231 is about 72.5730377711.
The spelling of 382231 in words is "three hundred eighty-two thousand, two hundred thirty-one".
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