Base | Representation |
---|---|
bin | 11010100110110… |
… | …01100000000000 |
3 | 120112222011201222 |
4 | 31103121200000 |
5 | 424114021432 |
6 | 34051414212 |
7 | 5350034525 |
oct | 1523314000 |
9 | 515864658 |
10 | 223188992 |
11 | 104a91214 |
12 | 628b4368 |
13 | 373160c0 |
14 | 218db14c |
15 | 148da112 |
hex | d4d9800 |
223188992 has 96 divisors (see below), whose sum is σ = 491203440. Its totient is φ = 100761600.
The previous prime is 223188967. The next prime is 223189013. The reversal of 223188992 is 299881322.
It is a super-3 number, since 3×2231889923 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209742 + ... + 2209842.
Almost surely, 2223188992 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 223188992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245601720).
223188992 is an abundant number, since it is smaller than the sum of its proper divisors (268014448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223188992 is a wasteful number, since it uses less digits than its factorization.
223188992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219 (or 199 counting only the distinct ones).
The product of its digits is 124416, while the sum is 44.
The square root of 223188992 is about 14939.5111031118. The cubic root of 223188992 is about 606.5839622126.
The spelling of 223188992 in words is "two hundred twenty-three million, one hundred eighty-eight thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •