Base | Representation |
---|---|
bin | 11010101000100… |
… | …11111100001000 |
3 | 120120102100002110 |
4 | 31110103330020 |
5 | 424144201420 |
6 | 34100502320 |
7 | 5352052431 |
oct | 1524237410 |
9 | 516370073 |
10 | 223428360 |
11 | 105135041 |
12 | 629aa9a0 |
13 | 3739b03c |
14 | 21960488 |
15 | 14935ee0 |
hex | d513f08 |
223428360 has 128 divisors (see below), whose sum is σ = 689420160. Its totient is φ = 57907200.
The previous prime is 223428349. The next prime is 223428367. The reversal of 223428360 is 63824322.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (223428367) 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 31 ways as a sum of consecutive naturals, for example, 958804 + ... + 959036.
It is an arithmetic number, because the mean of its divisors is an integer number (5386095).
Almost surely, 2223428360 is an apocalyptic number.
223428360 is a gapful number since it is divisible by the number (20) 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 223428360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344710080).
223428360 is an abundant number, since it is smaller than the sum of its proper divisors (465991800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223428360 is a wasteful number, since it uses less digits than its factorization.
223428360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439 (or 435 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
The square root of 223428360 is about 14947.5201956713. The cubic root of 223428360 is about 606.8007365139.
The spelling of 223428360 in words is "two hundred twenty-three million, four hundred twenty-eight thousand, three hundred sixty".
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