Base | Representation |
---|---|
bin | 1010101011001000100011 |
3 | 12021011021220 |
4 | 22223020203 |
5 | 1204014430 |
6 | 135550123 |
7 | 32532525 |
oct | 12531043 |
9 | 5234256 |
10 | 2798115 |
11 | 16412a1 |
12 | b2b343 |
13 | 76c7b8 |
14 | 52ba15 |
15 | 3a4110 |
hex | 2ab223 |
2798115 has 16 divisors (see below), whose sum is σ = 4740768. Its totient is φ = 1404416.
The previous prime is 2798113. The next prime is 2798119. The reversal of 2798115 is 5118972.
It is a cyclic number.
It is not a de Polignac number, because 2798115 - 21 = 2798113 is a prime.
It is an Ulam number.
2798115 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2798113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5232 + ... + 5741.
It is an arithmetic number, because the mean of its divisors is an integer number (296298).
22798115 is an apocalyptic number.
2798115 is a deficient number, since it is larger than the sum of its proper divisors (1942653).
2798115 is a wasteful number, since it uses less digits than its factorization.
2798115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10998.
The product of its digits is 5040, while the sum is 33.
The square root of 2798115 is about 1672.7567067568. The cubic root of 2798115 is about 140.9143385931.
The spelling of 2798115 in words is "two million, seven hundred ninety-eight thousand, one hundred fifteen".
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