Base | Representation |
---|---|
bin | 111001011010… |
… | …1111110111001 |
3 | 2002122112000121 |
4 | 1302311332321 |
5 | 30201334104 |
6 | 2553133241 |
7 | 513615136 |
oct | 162657671 |
9 | 62575017 |
10 | 30105529 |
11 | 15aa2803 |
12 | a0ba221 |
13 | 631102c |
14 | 3dd958d |
15 | 299a254 |
hex | 1cb5fb9 |
30105529 has 2 divisors, whose sum is σ = 30105530. Its totient is φ = 30105528.
The previous prime is 30105499. The next prime is 30105541. The reversal of 30105529 is 92550103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28729600 + 1375929 = 5360^2 + 1173^2 .
It is a cyclic number.
It is not a de Polignac number, because 30105529 - 27 = 30105401 is a prime.
It is not a weakly prime, because it can be changed into another prime (30106529) 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, 15052764 + 15052765.
It is an arithmetic number, because the mean of its divisors is an integer number (15052765).
Almost surely, 230105529 is an apocalyptic number.
It is an amenable number.
30105529 is a deficient number, since it is larger than the sum of its proper divisors (1).
30105529 is an equidigital number, since it uses as much as digits as its factorization.
30105529 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1350, while the sum is 25.
The square root of 30105529 is about 5486.8505538241. The cubic root of 30105529 is about 311.0871610484.
The spelling of 30105529 in words is "thirty million, one hundred five thousand, five hundred twenty-nine".
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