Base | Representation |
---|---|
bin | 11010100111100… |
… | …00000001110100 |
3 | 120120010212022121 |
4 | 31103300001310 |
5 | 424130000033 |
6 | 34053405324 |
7 | 5350600540 |
oct | 1523600164 |
9 | 516125277 |
10 | 223281268 |
11 | 105044581 |
12 | 62939844 |
13 | 373490c2 |
14 | 21922a20 |
15 | 1490762d |
hex | d4f0074 |
223281268 has 48 divisors (see below), whose sum is σ = 454608000. Its totient is φ = 93985920.
The previous prime is 223281259. The next prime is 223281271. The reversal of 223281268 is 862182322.
It is a happy number.
It is a super-3 number, since 3×2232812683 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454503 + ... + 454993.
It is an arithmetic number, because the mean of its divisors is an integer number (9471000).
Almost surely, 2223281268 is an apocalyptic number.
223281268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
223281268 is an abundant number, since it is smaller than the sum of its proper divisors (231326732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223281268 is a wasteful number, since it uses less digits than its factorization.
223281268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760 (or 758 counting only the distinct ones).
The product of its digits is 18432, while the sum is 34.
The square root of 223281268 is about 14942.5991045735. The cubic root of 223281268 is about 606.6675467255.
The spelling of 223281268 in words is "two hundred twenty-three million, two hundred eighty-one thousand, two hundred sixty-eight".
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