Base | Representation |
---|---|
bin | 1010111100001110110001 |
3 | 12101201100121 |
4 | 22330032301 |
5 | 1213240040 |
6 | 141250241 |
7 | 33243640 |
oct | 12741661 |
9 | 5351317 |
10 | 2868145 |
11 | 1689975 |
12 | b63981 |
13 | 795637 |
14 | 549357 |
15 | 3b9c4a |
hex | 2bc3b1 |
2868145 has 24 divisors (see below), whose sum is σ = 4169664. Its totient is φ = 1855008.
The previous prime is 2868139. The next prime is 2868149. The reversal of 2868145 is 5418682.
It is not a de Polignac number, because 2868145 - 23 = 2868137 is a prime.
2868145 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2868145.
It is not an unprimeable number, because it can be changed into a prime (2868149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12522 + ... + 12748.
It is an arithmetic number, because the mean of its divisors is an integer number (173736).
22868145 is an apocalyptic number.
It is an amenable number.
2868145 is a deficient number, since it is larger than the sum of its proper divisors (1301519).
2868145 is a wasteful number, since it uses less digits than its factorization.
2868145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277 (or 258 counting only the distinct ones).
The product of its digits is 15360, while the sum is 34.
The square root of 2868145 is about 1693.5598601762. The cubic root of 2868145 is about 142.0802462519.
The spelling of 2868145 in words is "two million, eight hundred sixty-eight thousand, one hundred forty-five".
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