Base | Representation |
---|---|
bin | 111001010110… |
… | …1000100110001 |
3 | 2002120122222012 |
4 | 1302231010301 |
5 | 30144202131 |
6 | 2552252305 |
7 | 513403562 |
oct | 162550461 |
9 | 62518865 |
10 | 30069041 |
11 | 15a78352 |
12 | a0a1095 |
13 | 62ca542 |
14 | 3dca169 |
15 | 298e52b |
hex | 1cad131 |
30069041 has 2 divisors, whose sum is σ = 30069042. Its totient is φ = 30069040.
The previous prime is 30069037. The next prime is 30069121. The reversal of 30069041 is 14096003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22800625 + 7268416 = 4775^2 + 2696^2 .
It is a cyclic number.
It is not a de Polignac number, because 30069041 - 22 = 30069037 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 30068998 and 30069016.
It is not a weakly prime, because it can be changed into another prime (30069841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034520 + 15034521.
It is an arithmetic number, because the mean of its divisors is an integer number (15034521).
Almost surely, 230069041 is an apocalyptic number.
It is an amenable number.
30069041 is a deficient number, since it is larger than the sum of its proper divisors (1).
30069041 is an equidigital number, since it uses as much as digits as its factorization.
30069041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 30069041 is about 5483.5245052794. The cubic root of 30069041 is about 310.9614306860.
The spelling of 30069041 in words is "thirty million, sixty-nine thousand, forty-one".
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