Base | Representation |
---|---|
bin | 1001010011001111000001 |
3 | 11120212102022 |
4 | 21103033001 |
5 | 1111004311 |
6 | 124131225 |
7 | 26503052 |
oct | 11231701 |
9 | 4525368 |
10 | 2438081 |
11 | 1415848 |
12 | 996b15 |
13 | 674969 |
14 | 476729 |
15 | 3325db |
hex | 2533c1 |
2438081 has 2 divisors, whose sum is σ = 2438082. Its totient is φ = 2438080.
The previous prime is 2438077. The next prime is 2438083. The reversal of 2438081 is 1808342.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2265025 + 173056 = 1505^2 + 416^2 .
It is a cyclic number.
It is not a de Polignac number, because 2438081 - 22 = 2438077 is a prime.
It is a super-2 number, since 2×24380812 = 11888477925122, which contains 22 as substring.
Together with 2438083, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2438081.
It is not a weakly prime, because it can be changed into another prime (2438083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219040 + 1219041.
It is an arithmetic number, because the mean of its divisors is an integer number (1219041).
22438081 is an apocalyptic number.
It is an amenable number.
2438081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2438081 is an equidigital number, since it uses as much as digits as its factorization.
2438081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 2438081 is about 1561.4355574278. The cubic root of 2438081 is about 134.5910072614.
The spelling of 2438081 in words is "two million, four hundred thirty-eight thousand, eighty-one".
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