Base | Representation |
---|---|
bin | 111011000110… |
… | …0001010101101 |
3 | 2011022002110012 |
4 | 1312030022231 |
5 | 30412422304 |
6 | 3024023005 |
7 | 524230643 |
oct | 166141255 |
9 | 64262405 |
10 | 30982829 |
11 | 16541949 |
12 | a461a65 |
13 | 655a447 |
14 | 4187193 |
15 | 2ac016e |
hex | 1d8c2ad |
30982829 has 2 divisors, whose sum is σ = 30982830. Its totient is φ = 30982828.
The previous prime is 30982811. The next prime is 30982837. The reversal of 30982829 is 92828903.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25270729 + 5712100 = 5027^2 + 2390^2 .
It is a cyclic number.
It is not a de Polignac number, because 30982829 - 212 = 30978733 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30982849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15491414 + 15491415.
It is an arithmetic number, because the mean of its divisors is an integer number (15491415).
Almost surely, 230982829 is an apocalyptic number.
It is an amenable number.
30982829 is a deficient number, since it is larger than the sum of its proper divisors (1).
30982829 is an equidigital number, since it uses as much as digits as its factorization.
30982829 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 30982829 is about 5566.2221479204. Note that the first 3 decimals coincide. The cubic root of 30982829 is about 314.0800538310.
It can be divided in two parts, 309 and 82829, that added together give a palindrome (83138).
The spelling of 30982829 in words is "thirty million, nine hundred eighty-two thousand, eight hundred twenty-nine".
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