Base | Representation |
---|---|
bin | 111010110111… |
… | …0111111010101 |
3 | 2011002000111211 |
4 | 1311232333111 |
5 | 30400111232 |
6 | 3021301421 |
7 | 523222342 |
oct | 165567725 |
9 | 64060454 |
10 | 30863317 |
11 | 16470081 |
12 | a404871 |
13 | 6517c24 |
14 | 41557c9 |
15 | 2a99a47 |
hex | 1d6efd5 |
30863317 has 2 divisors, whose sum is σ = 30863318. Its totient is φ = 30863316.
The previous prime is 30863303. The next prime is 30863333. The reversal of 30863317 is 71336803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25060036 + 5803281 = 5006^2 + 2409^2 .
It is a cyclic number.
It is not a de Polignac number, because 30863317 - 211 = 30861269 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30869317) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15431658 + 15431659.
It is an arithmetic number, because the mean of its divisors is an integer number (15431659).
Almost surely, 230863317 is an apocalyptic number.
It is an amenable number.
30863317 is a deficient number, since it is larger than the sum of its proper divisors (1).
30863317 is an equidigital number, since it uses as much as digits as its factorization.
30863317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 30863317 is about 5555.4763072126. The cubic root of 30863317 is about 313.6756932647.
The spelling of 30863317 in words is "thirty million, eight hundred sixty-three thousand, three hundred seventeen".
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