Base | Representation |
---|---|
bin | 111100000011… |
… | …0000010111001 |
3 | 2012020110020112 |
4 | 1320012002321 |
5 | 31024411131 |
6 | 3042434105 |
7 | 531410243 |
oct | 170060271 |
9 | 65213215 |
10 | 31482041 |
11 | 16852a18 |
12 | a662935 |
13 | 66a3736 |
14 | 4277093 |
15 | 2b6d02b |
hex | 1e060b9 |
31482041 has 2 divisors, whose sum is σ = 31482042. Its totient is φ = 31482040.
The previous prime is 31482037. The next prime is 31482043. The reversal of 31482041 is 14028413.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17606416 + 13875625 = 4196^2 + 3725^2 .
It is a cyclic number.
It is not a de Polignac number, because 31482041 - 22 = 31482037 is a prime.
It is a super-2 number, since 2×314820412 = 1982237811051362, which contains 22 as substring.
Together with 31482043, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 31481998 and 31482016.
It is not a weakly prime, because it can be changed into another prime (31482043) 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, 15741020 + 15741021.
It is an arithmetic number, because the mean of its divisors is an integer number (15741021).
Almost surely, 231482041 is an apocalyptic number.
It is an amenable number.
31482041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31482041 is an equidigital number, since it uses as much as digits as its factorization.
31482041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 31482041 is about 5610.8859371761. The cubic root of 31482041 is about 315.7579496890.
The spelling of 31482041 in words is "thirty-one million, four hundred eighty-two thousand, forty-one".
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