Base | Representation |
---|---|
bin | 111001110101… |
… | …1111010110001 |
3 | 2010001202001211 |
4 | 1303223322301 |
5 | 30230421244 |
6 | 3002000121 |
7 | 515525206 |
oct | 163537261 |
9 | 63052054 |
10 | 30326449 |
11 | 1613378a |
12 | a1a6041 |
13 | 638a75a |
14 | 4055cad |
15 | 29e0934 |
hex | 1cebeb1 |
30326449 has 2 divisors, whose sum is σ = 30326450. Its totient is φ = 30326448.
The previous prime is 30326447. The next prime is 30326477. The reversal of 30326449 is 94462303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29778849 + 547600 = 5457^2 + 740^2 .
It is a cyclic number.
It is not a de Polignac number, because 30326449 - 21 = 30326447 is a prime.
Together with 30326447, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30326449.
It is not a weakly prime, because it can be changed into another prime (30326447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15163224 + 15163225.
It is an arithmetic number, because the mean of its divisors is an integer number (15163225).
Almost surely, 230326449 is an apocalyptic number.
It is an amenable number.
30326449 is a deficient number, since it is larger than the sum of its proper divisors (1).
30326449 is an equidigital number, since it uses as much as digits as its factorization.
30326449 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 31.
The square root of 30326449 is about 5506.9455236093. The cubic root of 30326449 is about 311.8462458781.
The spelling of 30326449 in words is "thirty million, three hundred twenty-six thousand, four hundred forty-nine".
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