Base | Representation |
---|---|
bin | 111001100110… |
… | …0010101111001 |
3 | 2002211011122121 |
4 | 1303030111321 |
5 | 30212301423 |
6 | 2555121241 |
7 | 514446142 |
oct | 163142571 |
9 | 62734577 |
10 | 30197113 |
11 | 160555a1 |
12 | a143221 |
13 | 634391b |
14 | 4020ac9 |
15 | 29b745d |
hex | 1ccc579 |
30197113 has 2 divisors, whose sum is σ = 30197114. Its totient is φ = 30197112.
The previous prime is 30197087. The next prime is 30197147. The reversal of 30197113 is 31179103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18003049 + 12194064 = 4243^2 + 3492^2 .
It is a cyclic number.
It is not a de Polignac number, because 30197113 - 221 = 28099961 is a prime.
It is not a weakly prime, because it can be changed into another prime (30197173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098556 + 15098557.
It is an arithmetic number, because the mean of its divisors is an integer number (15098557).
Almost surely, 230197113 is an apocalyptic number.
It is an amenable number.
30197113 is a deficient number, since it is larger than the sum of its proper divisors (1).
30197113 is an equidigital number, since it uses as much as digits as its factorization.
30197113 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 567, while the sum is 25.
The square root of 30197113 is about 5495.1899876164. The cubic root of 30197113 is about 311.4022943569.
The spelling of 30197113 in words is "thirty million, one hundred ninety-seven thousand, one hundred thirteen".
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