Base | Representation |
---|---|
bin | 111001010000… |
… | …1101001111111 |
3 | 2002111021210222 |
4 | 1302201221333 |
5 | 30141203041 |
6 | 2551251555 |
7 | 513120326 |
oct | 162415177 |
9 | 62437728 |
10 | 30022271 |
11 | 15a461a4 |
12 | a079bbb |
13 | 62b2176 |
14 | 3db70bd |
15 | 298074b |
hex | 1ca1a7f |
30022271 has 2 divisors, whose sum is σ = 30022272. Its totient is φ = 30022270.
The previous prime is 30022259. The next prime is 30022277. The reversal of 30022271 is 17222003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30022271 - 210 = 30021247 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30022277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011135 + 15011136.
It is an arithmetic number, because the mean of its divisors is an integer number (15011136).
Almost surely, 230022271 is an apocalyptic number.
30022271 is a deficient number, since it is larger than the sum of its proper divisors (1).
30022271 is an equidigital number, since it uses as much as digits as its factorization.
30022271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 30022271 is about 5479.2582527200. The cubic root of 30022271 is about 310.8001217709.
Adding to 30022271 its reverse (17222003), we get a palindrome (47244274).
The spelling of 30022271 in words is "thirty million, twenty-two thousand, two hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •