Base | Representation |
---|---|
bin | 111001011010… |
… | …1011010011001 |
3 | 2002122101211002 |
4 | 1302311122121 |
5 | 30201300233 |
6 | 2553114345 |
7 | 513605261 |
oct | 162653231 |
9 | 62571732 |
10 | 30103193 |
11 | 15aa0a7a |
12 | a0b89b5 |
13 | 630cc53 |
14 | 3dd87a1 |
15 | 29996e8 |
hex | 1cb5699 |
30103193 has 2 divisors, whose sum is σ = 30103194. Its totient is φ = 30103192.
The previous prime is 30103169. The next prime is 30103207. The reversal of 30103193 is 39130103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21418384 + 8684809 = 4628^2 + 2947^2 .
It is a cyclic number.
It is not a de Polignac number, because 30103193 - 210 = 30102169 is a prime.
It is not a weakly prime, because it can be changed into another prime (30103103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051596 + 15051597.
It is an arithmetic number, because the mean of its divisors is an integer number (15051597).
Almost surely, 230103193 is an apocalyptic number.
It is an amenable number.
30103193 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103193 is an equidigital number, since it uses as much as digits as its factorization.
30103193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 243, while the sum is 20.
The square root of 30103193 is about 5486.6376771207. The cubic root of 30103193 is about 311.0791147036.
Adding to 30103193 its reverse (39130103), we get a palindrome (69233296).
The spelling of 30103193 in words is "thirty million, one hundred three thousand, one hundred ninety-three".
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