Base | Representation |
---|---|
bin | 111001010110… |
… | …1000011011001 |
3 | 2002120122211221 |
4 | 1302231003121 |
5 | 30144201303 |
6 | 2552252041 |
7 | 513403405 |
oct | 162550331 |
9 | 62518757 |
10 | 30068953 |
11 | 15a78282 |
12 | a0a1021 |
13 | 62ca4a5 |
14 | 3dca105 |
15 | 298e4bd |
hex | 1cad0d9 |
30068953 has 2 divisors, whose sum is σ = 30068954. Its totient is φ = 30068952.
The previous prime is 30068923. The next prime is 30068993. The reversal of 30068953 is 35986003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16548624 + 13520329 = 4068^2 + 3677^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30068953 is a prime.
It is not a weakly prime, because it can be changed into another prime (30068923) 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, 15034476 + 15034477.
It is an arithmetic number, because the mean of its divisors is an integer number (15034477).
Almost surely, 230068953 is an apocalyptic number.
It is an amenable number.
30068953 is a deficient number, since it is larger than the sum of its proper divisors (1).
30068953 is an equidigital number, since it uses as much as digits as its factorization.
30068953 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 30068953 is about 5483.5164812372. The cubic root of 30068953 is about 310.9611273326.
The spelling of 30068953 in words is "thirty million, sixty-eight thousand, nine hundred fifty-three".
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