Base | Representation |
---|---|
bin | 1000010000100001000001 |
3 | 11001222112211 |
4 | 20100201001 |
5 | 1023233201 |
6 | 114222121 |
7 | 24254242 |
oct | 10204101 |
9 | 4058484 |
10 | 2164801 |
11 | 12494a1 |
12 | 884941 |
13 | 5aa462 |
14 | 404cc9 |
15 | 2cb651 |
hex | 210841 |
2164801 has 2 divisors, whose sum is σ = 2164802. Its totient is φ = 2164800.
The previous prime is 2164787. The next prime is 2164807. The reversal of 2164801 is 1084612.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1311025 + 853776 = 1145^2 + 924^2 .
It is a cyclic number.
It is not a de Polignac number, because 2164801 - 215 = 2132033 is a prime.
It is not a weakly prime, because it can be changed into another prime (2164807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082400 + 1082401.
It is an arithmetic number, because the mean of its divisors is an integer number (1082401).
22164801 is an apocalyptic number.
It is an amenable number.
2164801 is a deficient number, since it is larger than the sum of its proper divisors (1).
2164801 is an equidigital number, since it uses as much as digits as its factorization.
2164801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 2164801 is about 1471.3262724495. The cubic root of 2164801 is about 129.3617831333.
The spelling of 2164801 in words is "two million, one hundred sixty-four thousand, eight hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •