Base | Representation |
---|---|
bin | 11110100110010000100101 |
3 | 120002111210011 |
4 | 132212100211 |
5 | 4023133104 |
6 | 443530221 |
7 | 125114632 |
oct | 36462045 |
9 | 16074704 |
10 | 8021029 |
11 | 4589355 |
12 | 2829971 |
13 | 187ab93 |
14 | 10cb189 |
15 | a86904 |
hex | 7a6425 |
8021029 has 2 divisors, whose sum is σ = 8021030. Its totient is φ = 8021028.
The previous prime is 8021017. The next prime is 8021047. The reversal of 8021029 is 9201208.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4524129 + 3496900 = 2127^2 + 1870^2 .
It is a cyclic number.
It is not a de Polignac number, because 8021029 - 29 = 8020517 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8021009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010514 + 4010515.
It is an arithmetic number, because the mean of its divisors is an integer number (4010515).
Almost surely, 28021029 is an apocalyptic number.
It is an amenable number.
8021029 is a deficient number, since it is larger than the sum of its proper divisors (1).
8021029 is an equidigital number, since it uses as much as digits as its factorization.
8021029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 8021029 is about 2832.1421221401. The cubic root of 8021029 is about 200.1750883423.
The spelling of 8021029 in words is "eight million, twenty-one thousand, twenty-nine".
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