Base | Representation |
---|---|
bin | 111010001111… |
… | …0001001111011 |
3 | 2010110012022221 |
4 | 1310132021323 |
5 | 30304012334 |
6 | 3010224511 |
7 | 520343134 |
oct | 164361173 |
9 | 63405287 |
10 | 30532219 |
11 | 16264343 |
12 | a285137 |
13 | 6430303 |
14 | 40aac8b |
15 | 2a318b4 |
hex | 1d1e27b |
30532219 has 2 divisors, whose sum is σ = 30532220. Its totient is φ = 30532218.
The previous prime is 30532213. The next prime is 30532237. The reversal of 30532219 is 91223503.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30532219 - 27 = 30532091 is a prime.
It is a super-2 number, since 2×305322192 = 1864432794127922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30532193 and 30532202.
It is not a weakly prime, because it can be changed into another prime (30532213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266109 + 15266110.
It is an arithmetic number, because the mean of its divisors is an integer number (15266110).
Almost surely, 230532219 is an apocalyptic number.
30532219 is a deficient number, since it is larger than the sum of its proper divisors (1).
30532219 is an equidigital number, since it uses as much as digits as its factorization.
30532219 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 30532219 is about 5525.5967098586. The cubic root of 30532219 is about 312.5499661971.
The spelling of 30532219 in words is "thirty million, five hundred thirty-two thousand, two hundred nineteen".
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