Base | Representation |
---|---|
bin | 1010110101010111101001 |
3 | 12100021210201 |
4 | 22311113221 |
5 | 1211340131 |
6 | 140512201 |
7 | 33066001 |
oct | 12652751 |
9 | 5307721 |
10 | 2840041 |
11 | 166a846 |
12 | b4b661 |
13 | 7858c9 |
14 | 53d001 |
15 | 3b1761 |
hex | 2b55e9 |
2840041 has 2 divisors, whose sum is σ = 2840042. Its totient is φ = 2840040.
The previous prime is 2840039. The next prime is 2840059. The reversal of 2840041 is 1400482.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1879641 + 960400 = 1371^2 + 980^2 .
It is a cyclic number.
It is not a de Polignac number, because 2840041 - 21 = 2840039 is a prime.
Together with 2840039, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2840741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420020 + 1420021.
It is an arithmetic number, because the mean of its divisors is an integer number (1420021).
22840041 is an apocalyptic number.
It is an amenable number.
2840041 is a deficient number, since it is larger than the sum of its proper divisors (1).
2840041 is an equidigital number, since it uses as much as digits as its factorization.
2840041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 2840041 is about 1685.2421191034. The cubic root of 2840041 is about 141.6146564941.
It can be divided in two parts, 28400 and 41, that added together give a triangular number (28441 = T238).
The spelling of 2840041 in words is "two million, eight hundred forty thousand, forty-one".
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