Base | Representation |
---|---|
bin | 1000101001111010000101 |
3 | 11021021012211 |
4 | 20221322011 |
5 | 1040100210 |
6 | 120343421 |
7 | 25166410 |
oct | 10517205 |
9 | 4237184 |
10 | 2268805 |
11 | 130a650 |
12 | 914b71 |
13 | 6158b6 |
14 | 430b77 |
15 | 2ec38a |
hex | 229e85 |
2268805 has 32 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 1377600.
The previous prime is 2268793. The next prime is 2268829. The reversal of 2268805 is 5088622.
It is not a de Polignac number, because 2268805 - 27 = 2268677 is a prime.
It is a super-2 number, since 2×22688052 = 10294952256050, which contains 22 as substring.
It is a d-powerful number, because it can be written as 25 + 217 + 65 + 85 + 87 + 0 + 5 .
2268805 is a lucky number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27294 + ... + 27376.
It is an arithmetic number, because the mean of its divisors is an integer number (108864).
22268805 is an apocalyptic number.
It is an amenable number.
2268805 is a deficient number, since it is larger than the sum of its proper divisors (1214843).
2268805 is a wasteful number, since it uses less digits than its factorization.
2268805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 2268805 is about 1506.2552904471. The cubic root of 2268805 is about 131.4011169474.
The spelling of 2268805 in words is "two million, two hundred sixty-eight thousand, eight hundred five".
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