Base | Representation |
---|---|
bin | 11110101000101100001101 |
3 | 120010000110001 |
4 | 132220230031 |
5 | 4023442424 |
6 | 444044301 |
7 | 125155651 |
oct | 36505415 |
9 | 16100401 |
10 | 8030989 |
11 | 459588a |
12 | 2833691 |
13 | 1882585 |
14 | 10d0a61 |
15 | a89844 |
hex | 7a8b0d |
8030989 has 2 divisors, whose sum is σ = 8030990. Its totient is φ = 8030988.
The previous prime is 8030969. The next prime is 8031007. The reversal of 8030989 is 9890308.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4169764 + 3861225 = 2042^2 + 1965^2 .
It is a cyclic number.
It is not a de Polignac number, because 8030989 - 213 = 8022797 is a prime.
It is a Chen prime.
8030989 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8030929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015494 + 4015495.
It is an arithmetic number, because the mean of its divisors is an integer number (4015495).
Almost surely, 28030989 is an apocalyptic number.
It is an amenable number.
8030989 is a deficient number, since it is larger than the sum of its proper divisors (1).
8030989 is an equidigital number, since it uses as much as digits as its factorization.
8030989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 8030989 is about 2833.8999629486. The cubic root of 8030989 is about 200.2579089386.
The spelling of 8030989 in words is "eight million, thirty thousand, nine hundred eighty-nine".
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