Base | Representation |
---|---|
bin | 11010101001101… |
… | …11011101101100 |
3 | 120120200201200122 |
4 | 31110313131230 |
5 | 424213330433 |
6 | 34103544112 |
7 | 5353226600 |
oct | 1524673554 |
9 | 516621618 |
10 | 223573868 |
11 | 1052243a1 |
12 | 62a5b038 |
13 | 3741c33b |
14 | 2199b500 |
15 | 14964198 |
hex | d53776c |
223573868 has 54 divisors (see below), whose sum is σ = 483602364. Its totient is φ = 90158208.
The previous prime is 223573843. The next prime is 223573873. The reversal of 223573868 is 868375322.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54671 + ... + 58617.
Almost surely, 2223573868 is an apocalyptic number.
223573868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223573868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241801182).
223573868 is an abundant number, since it is smaller than the sum of its proper divisors (260028496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223573868 is a wasteful number, since it uses less digits than its factorization.
223573868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3999 (or 3973 counting only the distinct ones).
The product of its digits is 483840, while the sum is 44.
The square root of 223573868 is about 14952.3866991193. The cubic root of 223573868 is about 606.9324345090.
The spelling of 223573868 in words is "two hundred twenty-three million, five hundred seventy-three thousand, eight hundred sixty-eight".
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