Base | Representation |
---|---|
bin | 111011000111111 |
3 | 1112112011 |
4 | 13120333 |
5 | 1432041 |
6 | 352051 |
7 | 154153 |
oct | 73077 |
9 | 45464 |
10 | 30271 |
11 | 2081a |
12 | 15627 |
13 | 10a17 |
14 | b063 |
15 | 8e81 |
hex | 763f |
30271 has 2 divisors, whose sum is σ = 30272. Its totient is φ = 30270.
The previous prime is 30269. The next prime is 30293. The reversal of 30271 is 17203.
It is a weak prime.
It is an emirp because it is prime and its reverse (17203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30271 - 21 = 30269 is a prime.
Together with 30269, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30211) 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, 15135 + 15136.
It is an arithmetic number, because the mean of its divisors is an integer number (15136).
230271 is an apocalyptic number.
30271 is a deficient number, since it is larger than the sum of its proper divisors (1).
30271 is an equidigital number, since it uses as much as digits as its factorization.
30271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42, while the sum is 13.
The square root of 30271 is about 173.9856315907. The cubic root of 30271 is about 31.1656069619.
Adding to 30271 its reverse (17203), we get a palindrome (47474).
It can be divided in two parts, 302 and 71, that added together give a palindrome (373).
The spelling of 30271 in words is "thirty thousand, two hundred seventy-one".
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