Base | Representation |
---|---|
bin | 110001011111000… |
… | …010111011110101 |
3 | 2010212012122120112 |
4 | 301133002323311 |
5 | 3200014101234 |
6 | 214214312405 |
7 | 26400525335 |
oct | 6137027365 |
9 | 2125178515 |
10 | 830222069 |
11 | 396703146 |
12 | 1b2058705 |
13 | 103004c81 |
14 | 7c3950c5 |
15 | 4cd46ace |
hex | 317c2ef5 |
830222069 has 2 divisors, whose sum is σ = 830222070. Its totient is φ = 830222068.
The previous prime is 830222023. The next prime is 830222089. The reversal of 830222069 is 960222038.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 826562500 + 3659569 = 28750^2 + 1913^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-830222069 is a prime.
It is a super-2 number, since 2×8302220692 = 1378537367709281522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830222089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415111034 + 415111035.
It is an arithmetic number, because the mean of its divisors is an integer number (415111035).
Almost surely, 2830222069 is an apocalyptic number.
It is an amenable number.
830222069 is a deficient number, since it is larger than the sum of its proper divisors (1).
830222069 is an equidigital number, since it uses as much as digits as its factorization.
830222069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 830222069 is about 28813.5743877777. The cubic root of 830222069 is about 939.8634436458.
The spelling of 830222069 in words is "eight hundred thirty million, two hundred twenty-two thousand, sixty-nine".
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