Base | Representation |
---|---|
bin | 111001101001… |
… | …0111101101111 |
3 | 2002212112212021 |
4 | 1303102331233 |
5 | 30214133424 |
6 | 2555451011 |
7 | 514621213 |
oct | 163227557 |
9 | 62775767 |
10 | 30224239 |
11 | 16073a11 |
12 | a156a67 |
13 | 6353086 |
14 | 402a943 |
15 | 29c04e4 |
hex | 1cd2f6f |
30224239 has 2 divisors, whose sum is σ = 30224240. Its totient is φ = 30224238.
The previous prime is 30224237. The next prime is 30224251. The reversal of 30224239 is 93242203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30224239 - 21 = 30224237 is a prime.
Together with 30224237, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30224237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15112119 + 15112120.
It is an arithmetic number, because the mean of its divisors is an integer number (15112120).
Almost surely, 230224239 is an apocalyptic number.
30224239 is a deficient number, since it is larger than the sum of its proper divisors (1).
30224239 is an equidigital number, since it uses as much as digits as its factorization.
30224239 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 30224239 is about 5497.6575921023. The cubic root of 30224239 is about 311.4955104486.
The spelling of 30224239 in words is "thirty million, two hundred twenty-four thousand, two hundred thirty-nine".
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