Base | Representation |
---|---|
bin | 11011100011010… |
… | …10100111110001 |
3 | 121002220021202110 |
4 | 31301222213301 |
5 | 433131422231 |
6 | 34533435533 |
7 | 5504342163 |
oct | 1561524761 |
9 | 532807673 |
10 | 231123441 |
11 | 10951050a |
12 | 6549bba9 |
13 | 38b63743 |
14 | 229a4933 |
15 | 15456046 |
hex | dc6a9f1 |
231123441 has 8 divisors (see below), whose sum is σ = 309364704. Its totient is φ = 153482240.
The previous prime is 231123439. The next prime is 231123457. The reversal of 231123441 is 144321132.
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 231123441 - 21 = 231123439 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231123421) 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, 149115 + ... + 150656.
It is an arithmetic number, because the mean of its divisors is an integer number (38670588).
Almost surely, 2231123441 is an apocalyptic number.
It is an amenable number.
231123441 is a deficient number, since it is larger than the sum of its proper divisors (78241263).
231123441 is a wasteful number, since it uses less digits than its factorization.
231123441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300031.
The product of its digits is 576, while the sum is 21.
The square root of 231123441 is about 15202.7445219605. The cubic root of 231123441 is about 613.6885186388.
Adding to 231123441 its reverse (144321132), we get a palindrome (375444573).
It can be divided in two parts, 2311 and 23441, that added together give a palindrome (25752).
The spelling of 231123441 in words is "two hundred thirty-one million, one hundred twenty-three thousand, four hundred forty-one".
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