Base | Representation |
---|---|
bin | 111010010011… |
… | …0111100100101 |
3 | 2010112000201122 |
4 | 1310212330211 |
5 | 30311140404 |
6 | 3011103325 |
7 | 520553126 |
oct | 164467445 |
9 | 63460648 |
10 | 30568229 |
11 | 162893aa |
12 | a2a1b45 |
13 | 6443813 |
14 | 40ba04d |
15 | 2a3c3be |
hex | 1d26f25 |
30568229 has 2 divisors, whose sum is σ = 30568230. Its totient is φ = 30568228.
The previous prime is 30568211. The next prime is 30568231. The reversal of 30568229 is 92286503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20232004 + 10336225 = 4498^2 + 3215^2 .
It is a cyclic number.
It is not a de Polignac number, because 30568229 - 28 = 30567973 is a prime.
Together with 30568231, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p1890908 and since 30568229 and 1890908 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30568249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15284114 + 15284115.
It is an arithmetic number, because the mean of its divisors is an integer number (15284115).
Almost surely, 230568229 is an apocalyptic number.
It is an amenable number.
30568229 is a deficient number, since it is larger than the sum of its proper divisors (1).
30568229 is an equidigital number, since it uses as much as digits as its factorization.
30568229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 30568229 is about 5528.8542212650. The cubic root of 30568229 is about 312.6727927589.
The spelling of 30568229 in words is "thirty million, five hundred sixty-eight thousand, two hundred twenty-nine".
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