Base | Representation |
---|---|
bin | 11010101111100… |
… | …00010111011111 |
3 | 120122010012121010 |
4 | 31113300113133 |
5 | 424412044411 |
6 | 34132110303 |
7 | 5362532625 |
oct | 1527602737 |
9 | 518105533 |
10 | 224331231 |
11 | 1056a1413 |
12 | 63165393 |
13 | 37625c97 |
14 | 21b17515 |
15 | 14a637a6 |
hex | d5f05df |
224331231 has 8 divisors (see below), whose sum is σ = 299187504. Its totient is φ = 149514560.
The previous prime is 224331229. The next prime is 224331257. The reversal of 224331231 is 132133422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 224331231 - 21 = 224331229 is a prime.
It is a super-2 number, since 2×2243312312 = 100649002403950722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 224331198 and 224331207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (224331281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885 + ... + 22601.
It is an arithmetic number, because the mean of its divisors is an integer number (37398438).
Almost surely, 2224331231 is an apocalyptic number.
224331231 is a deficient number, since it is larger than the sum of its proper divisors (74856273).
224331231 is a wasteful number, since it uses less digits than its factorization.
224331231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19801.
The product of its digits is 864, while the sum is 21.
The square root of 224331231 is about 14977.6911104482. The cubic root of 224331231 is about 607.6169958752.
Adding to 224331231 its reverse (132133422), we get a palindrome (356464653).
The spelling of 224331231 in words is "two hundred twenty-four million, three hundred thirty-one thousand, two hundred thirty-one".
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