Base | Representation |
---|---|
bin | 111010110011… |
… | …0011010000011 |
3 | 2011000020021211 |
4 | 1311212122003 |
5 | 30343000123 |
6 | 3020430551 |
7 | 523015012 |
oct | 165463203 |
9 | 64006254 |
10 | 30828163 |
11 | 16446723 |
12 | a3a8457 |
13 | 6504c22 |
14 | 4146a79 |
15 | 2a8e40d |
hex | 1d66683 |
30828163 has 2 divisors, whose sum is σ = 30828164. Its totient is φ = 30828162.
The previous prime is 30828121. The next prime is 30828181. The reversal of 30828163 is 36182803.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30828163 - 29 = 30827651 is a prime.
It is not a weakly prime, because it can be changed into another prime (30828113) 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, 15414081 + 15414082.
It is an arithmetic number, because the mean of its divisors is an integer number (15414082).
Almost surely, 230828163 is an apocalyptic number.
30828163 is a deficient number, since it is larger than the sum of its proper divisors (1).
30828163 is an equidigital number, since it uses as much as digits as its factorization.
30828163 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 30828163 is about 5552.3115006275. The cubic root of 30828163 is about 313.5565535039.
The spelling of 30828163 in words is "thirty million, eight hundred twenty-eight thousand, one hundred sixty-three".
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