Base | Representation |
---|---|
bin | 111001101000… |
… | …0000001110011 |
3 | 2002211221100210 |
4 | 1303100001303 |
5 | 30213242321 |
6 | 2555315203 |
7 | 514541151 |
oct | 163200163 |
9 | 62757323 |
10 | 30212211 |
11 | 16065977 |
12 | a14bb03 |
13 | 634a763 |
14 | 40263d1 |
15 | 29bbb76 |
hex | 1cd0073 |
30212211 has 16 divisors (see below), whose sum is σ = 41324544. Its totient is φ = 19624704.
The previous prime is 30212209. The next prime is 30212219. The reversal of 30212211 is 11221203.
It is not a de Polignac number, because 30212211 - 21 = 30212209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30212219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49470 + ... + 50076.
It is an arithmetic number, because the mean of its divisors is an integer number (2582784).
Almost surely, 230212211 is an apocalyptic number.
30212211 is a deficient number, since it is larger than the sum of its proper divisors (11112333).
30212211 is a wasteful number, since it uses less digits than its factorization.
30212211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 30212211 is about 5496.5635628090. The cubic root of 30212211 is about 311.4541841793.
Adding to 30212211 its reverse (11221203), we get a palindrome (41433414).
The spelling of 30212211 in words is "thirty million, two hundred twelve thousand, two hundred eleven".
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