Base | Representation |
---|---|
bin | 11010100111001… |
… | …00001000000000 |
3 | 120120001101102211 |
4 | 31103210020000 |
5 | 424121420022 |
6 | 34052351504 |
7 | 5350305436 |
oct | 1523441000 |
9 | 516041384 |
10 | 223232512 |
11 | 105010988 |
12 | 62915594 |
13 | 3732cb59 |
14 | 2190cd56 |
15 | 148e7e77 |
hex | d4e4200 |
223232512 has 40 divisors (see below), whose sum is σ = 451756800. Its totient is φ = 110183424.
The previous prime is 223232483. The next prime is 223232531. The reversal of 223232512 is 215232322.
It is a super-3 number, since 3×2232325123 (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 3 ways as a sum of consecutive naturals, for example, 37689 + ... + 43207.
It is an arithmetic number, because the mean of its divisors is an integer number (11293920).
Almost surely, 2223232512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225878400).
223232512 is an abundant number, since it is smaller than the sum of its proper divisors (228524288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223232512 is an frugal number, since it uses more digits than its factorization.
223232512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5616 (or 5600 counting only the distinct ones).
The product of its digits is 1440, while the sum is 22.
The square root of 223232512 is about 14940.9675724165. The cubic root of 223232512 is about 606.6233859287.
Adding to 223232512 its reverse (215232322), we get a palindrome (438464834).
The spelling of 223232512 in words is "two hundred twenty-three million, two hundred thirty-two thousand, five hundred twelve".
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