Base | Representation |
---|---|
bin | 111001110111… |
… | …1110111000001 |
3 | 2010002120012202 |
4 | 1303233313001 |
5 | 30231430333 |
6 | 3002202545 |
7 | 515623241 |
oct | 163576701 |
9 | 63076182 |
10 | 30342593 |
11 | 16144926 |
12 | a1b3455 |
13 | 6394bc8 |
14 | 405bb21 |
15 | 29e55e8 |
hex | 1cefdc1 |
30342593 has 2 divisors, whose sum is σ = 30342594. Its totient is φ = 30342592.
The previous prime is 30342577. The next prime is 30342607. The reversal of 30342593 is 39524303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16265089 + 14077504 = 4033^2 + 3752^2 .
It is a cyclic number.
It is not a de Polignac number, because 30342593 - 24 = 30342577 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (30342493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15171296 + 15171297.
It is an arithmetic number, because the mean of its divisors is an integer number (15171297).
Almost surely, 230342593 is an apocalyptic number.
It is an amenable number.
30342593 is a deficient number, since it is larger than the sum of its proper divisors (1).
30342593 is an equidigital number, since it uses as much as digits as its factorization.
30342593 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9720, while the sum is 29.
The square root of 30342593 is about 5508.4111139239. The cubic root of 30342593 is about 311.9015722008.
Adding to 30342593 its reverse (39524303), we get a palindrome (69866896).
The spelling of 30342593 in words is "thirty million, three hundred forty-two thousand, five hundred ninety-three".
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