Base | Representation |
---|---|
bin | 1010111001000011001011 |
3 | 12101001111000 |
4 | 22321003023 |
5 | 1212330430 |
6 | 141110043 |
7 | 33160644 |
oct | 12710313 |
9 | 5331430 |
10 | 2855115 |
11 | 16800aa |
12 | b58323 |
13 | 78c723 |
14 | 5446cb |
15 | 3b5e60 |
hex | 2b90cb |
2855115 has 16 divisors (see below), whose sum is σ = 5076000. Its totient is φ = 1522656.
The previous prime is 2855113. The next prime is 2855119. The reversal of 2855115 is 5115582.
2855115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2855115 - 21 = 2855113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2855113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10440 + ... + 10709.
It is an arithmetic number, because the mean of its divisors is an integer number (317250).
22855115 is an apocalyptic number.
2855115 is a deficient number, since it is larger than the sum of its proper divisors (2220885).
2855115 is a wasteful number, since it uses less digits than its factorization.
2855115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21163 (or 21157 counting only the distinct ones).
The product of its digits is 2000, while the sum is 27.
The square root of 2855115 is about 1689.7085547514. The cubic root of 2855115 is about 141.8647624691.
The spelling of 2855115 in words is "two million, eight hundred fifty-five thousand, one hundred fifteen".
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