Base | Representation |
---|---|
bin | 111111011100001010001 |
3 | 10220121120122 |
4 | 13323201101 |
5 | 1013010201 |
6 | 112320025 |
7 | 23445434 |
oct | 7734121 |
9 | 3817518 |
10 | 2078801 |
11 | 119a91a |
12 | 843015 |
13 | 57a27a |
14 | 3c181b |
15 | 2b0e1b |
hex | 1fb851 |
2078801 has 2 divisors, whose sum is σ = 2078802. Its totient is φ = 2078800.
The previous prime is 2078789. The next prime is 2078827. The reversal of 2078801 is 1088702.
It is an a-pointer prime, because the next prime (2078827) can be obtained adding 2078801 to its sum of digits (26).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1048576 + 1030225 = 1024^2 + 1015^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2078801 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2078831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039400 + 1039401.
It is an arithmetic number, because the mean of its divisors is an integer number (1039401).
22078801 is an apocalyptic number.
It is an amenable number.
2078801 is a deficient number, since it is larger than the sum of its proper divisors (1).
2078801 is an equidigital number, since it uses as much as digits as its factorization.
2078801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 2078801 is about 1441.8047718051. The cubic root of 2078801 is about 127.6255536261.
Subtracting from 2078801 its reverse (1088702), we obtain a palindrome (990099).
The spelling of 2078801 in words is "two million, seventy-eight thousand, eight hundred one".
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