Base | Representation |
---|---|
bin | 111001110100… |
… | …0111011001111 |
3 | 2010001010020211 |
4 | 1303220323033 |
5 | 30230023231 |
6 | 3001423251 |
7 | 515444365 |
oct | 163507317 |
9 | 63033224 |
10 | 30314191 |
11 | 16125556 |
12 | a19ab27 |
13 | 6384cbb |
14 | 4051635 |
15 | 29dbeb1 |
hex | 1ce8ecf |
30314191 has 2 divisors, whose sum is σ = 30314192. Its totient is φ = 30314190.
The previous prime is 30314189. The next prime is 30314197. The reversal of 30314191 is 19141303.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30314191 - 21 = 30314189 is a prime.
Together with 30314189, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30314197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157095 + 15157096.
It is an arithmetic number, because the mean of its divisors is an integer number (15157096).
Almost surely, 230314191 is an apocalyptic number.
30314191 is a deficient number, since it is larger than the sum of its proper divisors (1).
30314191 is an equidigital number, since it uses as much as digits as its factorization.
30314191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 30314191 is about 5505.8324529539. The cubic root of 30314191 is about 311.8042239626.
Adding to 30314191 its reverse (19141303), we get a palindrome (49455494).
The spelling of 30314191 in words is "thirty million, three hundred fourteen thousand, one hundred ninety-one".
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