Base | Representation |
---|---|
bin | 1000010000000110101011 |
3 | 11001220020101 |
4 | 20100012223 |
5 | 1023204430 |
6 | 114210231 |
7 | 24246313 |
oct | 10200653 |
9 | 4056211 |
10 | 2163115 |
11 | 12481a9 |
12 | 883977 |
13 | 5a9766 |
14 | 404443 |
15 | 2cadca |
hex | 2101ab |
2163115 has 8 divisors (see below), whose sum is σ = 2656368. Its totient is φ = 1690080.
The previous prime is 2163113. The next prime is 2163137. The reversal of 2163115 is 5113612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2163115 - 21 = 2163113 is a prime.
2163115 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2163092 and 2163101.
It is not an unprimeable number, because it can be changed into a prime (2163113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4816 + ... + 5245.
It is an arithmetic number, because the mean of its divisors is an integer number (332046).
22163115 is an apocalyptic number.
2163115 is a deficient number, since it is larger than the sum of its proper divisors (493253).
2163115 is a wasteful number, since it uses less digits than its factorization.
2163115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10109.
The product of its digits is 180, while the sum is 19.
The square root of 2163115 is about 1470.7532083936. The cubic root of 2163115 is about 129.3281910368.
Adding to 2163115 its reverse (5113612), we get a palindrome (7276727).
It can be divided in two parts, 2163 and 115, that added together give a triangular number (2278 = T67).
The spelling of 2163115 in words is "two million, one hundred sixty-three thousand, one hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •