Base | Representation |
---|---|
bin | 111001010001… |
… | …0100111100101 |
3 | 2002111111012222 |
4 | 1302202213211 |
5 | 30141314323 |
6 | 2551322125 |
7 | 513134660 |
oct | 162424745 |
9 | 62444188 |
10 | 30026213 |
11 | 15a49158 |
12 | a080345 |
13 | 62b3bb9 |
14 | 3db86d7 |
15 | 29819c8 |
hex | 1ca29e5 |
30026213 has 16 divisors (see below), whose sum is σ = 36723840. Its totient is φ = 23976000.
The previous prime is 30026207. The next prime is 30026219. The reversal of 30026213 is 31262003.
It is an interprime number because it is at equal distance from previous prime (30026207) and next prime (30026219).
It is a cyclic number.
It is not a de Polignac number, because 30026213 - 212 = 30022117 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30026191 and 30026200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30026219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6263 + ... + 9963.
It is an arithmetic number, because the mean of its divisors is an integer number (2295240).
Almost surely, 230026213 is an apocalyptic number.
It is an amenable number.
30026213 is a deficient number, since it is larger than the sum of its proper divisors (6697627).
30026213 is a wasteful number, since it uses less digits than its factorization.
30026213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3788.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 30026213 is about 5479.6179611356. The cubic root of 30026213 is about 310.8137241226.
Adding to 30026213 its reverse (31262003), we get a palindrome (61288216).
The spelling of 30026213 in words is "thirty million, twenty-six thousand, two hundred thirteen".
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