Base | Representation |
---|---|
bin | 11110101111011000101001 |
3 | 120011102001121 |
4 | 132233120221 |
5 | 4030332114 |
6 | 444415241 |
7 | 125331622 |
oct | 36573051 |
9 | 16142047 |
10 | 8058409 |
11 | 4604447 |
12 | 2847521 |
13 | 1891bb8 |
14 | 10daa49 |
15 | a92a24 |
hex | 7af629 |
8058409 has 2 divisors, whose sum is σ = 8058410. Its totient is φ = 8058408.
The previous prime is 8058403. The next prime is 8058431. The reversal of 8058409 is 9048508.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6786025 + 1272384 = 2605^2 + 1128^2 .
It is a cyclic number.
It is not a de Polignac number, because 8058409 - 25 = 8058377 is a prime.
It is a super-2 number, since 2×80584092 = 129875911222562, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (8058403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4029204 + 4029205.
It is an arithmetic number, because the mean of its divisors is an integer number (4029205).
Almost surely, 28058409 is an apocalyptic number.
It is an amenable number.
8058409 is a deficient number, since it is larger than the sum of its proper divisors (1).
8058409 is an equidigital number, since it uses as much as digits as its factorization.
8058409 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 8058409 is about 2838.7336965626. The cubic root of 8058409 is about 200.4855618611.
Subtracting 8058409 from its reverse (9048508), we obtain a palindrome (990099).
The spelling of 8058409 in words is "eight million, fifty-eight thousand, four hundred nine".
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