Base | Representation |
---|---|
bin | 111001101010… |
… | …0011110001101 |
3 | 2002212212022221 |
4 | 1303110132031 |
5 | 30214333123 |
6 | 2555535341 |
7 | 514645213 |
oct | 163243615 |
9 | 62785287 |
10 | 30230413 |
11 | 16078614 |
12 | a15a551 |
13 | 6355b25 |
14 | 402ccb3 |
15 | 29c225d |
hex | 1cd478d |
30230413 has 2 divisors, whose sum is σ = 30230414. Its totient is φ = 30230412.
The previous prime is 30230399. The next prime is 30230423. The reversal of 30230413 is 31403203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15507844 + 14722569 = 3938^2 + 3837^2 .
It is a cyclic number.
It is not a de Polignac number, because 30230413 - 25 = 30230381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30230423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115206 + 15115207.
It is an arithmetic number, because the mean of its divisors is an integer number (15115207).
Almost surely, 230230413 is an apocalyptic number.
It is an amenable number.
30230413 is a deficient number, since it is larger than the sum of its proper divisors (1).
30230413 is an equidigital number, since it uses as much as digits as its factorization.
30230413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30230413 is about 5498.2190753007. The cubic root of 30230413 is about 311.5167190591.
Adding to 30230413 its reverse (31403203), we get a palindrome (61633616).
The spelling of 30230413 in words is "thirty million, two hundred thirty thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.002 sec. • engine limits •