Base | Representation |
---|---|
bin | 1010111111011110100001 |
3 | 12102101121001 |
4 | 22333132201 |
5 | 1214201231 |
6 | 141432001 |
7 | 33330463 |
oct | 12773641 |
9 | 5371531 |
10 | 2881441 |
11 | 1698962 |
12 | b6b601 |
13 | 79b6c4 |
14 | 550133 |
15 | 3bdb61 |
hex | 2bf7a1 |
2881441 has 2 divisors, whose sum is σ = 2881442. Its totient is φ = 2881440.
The previous prime is 2881433. The next prime is 2881447. The reversal of 2881441 is 1441882.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2235025 + 646416 = 1495^2 + 804^2 .
It is a cyclic number.
It is not a de Polignac number, because 2881441 - 23 = 2881433 is a prime.
It is not a weakly prime, because it can be changed into another prime (2881447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440720 + 1440721.
It is an arithmetic number, because the mean of its divisors is an integer number (1440721).
22881441 is an apocalyptic number.
It is an amenable number.
2881441 is a deficient number, since it is larger than the sum of its proper divisors (1).
2881441 is an equidigital number, since it uses as much as digits as its factorization.
2881441 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2048, while the sum is 28.
The square root of 2881441 is about 1697.4807804508. The cubic root of 2881441 is about 142.2994573122.
The spelling of 2881441 in words is "two million, eight hundred eighty-one thousand, four hundred forty-one".
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