Base | Representation |
---|---|
bin | 111001110011… |
… | …0110110100011 |
3 | 2010000200121022 |
4 | 1303212312203 |
5 | 30224240244 |
6 | 3001320055 |
7 | 515410544 |
oct | 163466643 |
9 | 63020538 |
10 | 30305699 |
11 | 1611a136 |
12 | a19602b |
13 | 6381188 |
14 | 404c4cb |
15 | 29d96ee |
hex | 1ce6da3 |
30305699 has 2 divisors, whose sum is σ = 30305700. Its totient is φ = 30305698.
The previous prime is 30305687. The next prime is 30305729. The reversal of 30305699 is 99650303.
It is a weak prime.
It is an emirp because it is prime and its reverse (99650303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30305699 - 216 = 30240163 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30305299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152849 + 15152850.
It is an arithmetic number, because the mean of its divisors is an integer number (15152850).
Almost surely, 230305699 is an apocalyptic number.
30305699 is a deficient number, since it is larger than the sum of its proper divisors (1).
30305699 is an equidigital number, since it uses as much as digits as its factorization.
30305699 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21870, while the sum is 35.
The square root of 30305699 is about 5505.0612167350. The cubic root of 30305699 is about 311.7751057106.
The spelling of 30305699 in words is "thirty million, three hundred five thousand, six hundred ninety-nine".
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