Base | Representation |
---|---|
bin | 1000101001111010110111 |
3 | 11021021021200 |
4 | 20221322313 |
5 | 1040100410 |
6 | 120343543 |
7 | 25166511 |
oct | 10517267 |
9 | 4237250 |
10 | 2268855 |
11 | 130a696 |
12 | 914bb3 |
13 | 615924 |
14 | 430bb1 |
15 | 2ec3c0 |
hex | 229eb7 |
2268855 has 24 divisors (see below), whose sum is σ = 3973632. Its totient is φ = 1197504.
The previous prime is 2268853. The next prime is 2268863. The reversal of 2268855 is 5588622.
It is not a de Polignac number, because 2268855 - 21 = 2268853 is a prime.
It is a super-2 number, since 2×22688552 = 10295406022050, which contains 22 as substring.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2268853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5517 + ... + 5913.
It is an arithmetic number, because the mean of its divisors is an integer number (165568).
22268855 is an apocalyptic number.
2268855 is a deficient number, since it is larger than the sum of its proper divisors (1704777).
2268855 is a wasteful number, since it uses less digits than its factorization.
2268855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 535 (or 532 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 2268855 is about 1506.2718878078. The cubic root of 2268855 is about 131.4020822144.
The spelling of 2268855 in words is "two million, two hundred sixty-eight thousand, eight hundred fifty-five".
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