Base | Representation |
---|---|
bin | 11011100100000… |
… | …00110101101001 |
3 | 121010001220120211 |
4 | 31302000311221 |
5 | 433142330231 |
6 | 34535421121 |
7 | 5505201403 |
oct | 1562006551 |
9 | 533056524 |
10 | 231214441 |
11 | 109572917 |
12 | 655247a1 |
13 | 38b95ca3 |
14 | 229c9b73 |
15 | 15472eb1 |
hex | dc80d69 |
231214441 has 4 divisors (see below), whose sum is σ = 231574672. Its totient is φ = 230854212.
The previous prime is 231214429. The next prime is 231214471. The reversal of 231214441 is 144412132.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 231214441 - 29 = 231213929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231214421) 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 3 ways as a sum of consecutive naturals, for example, 179151 + ... + 180436.
It is an arithmetic number, because the mean of its divisors is an integer number (57893668).
Almost surely, 2231214441 is an apocalyptic number.
It is an amenable number.
231214441 is a deficient number, since it is larger than the sum of its proper divisors (360231).
231214441 is an equidigital number, since it uses as much as digits as its factorization.
231214441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360230.
The product of its digits is 768, while the sum is 22.
The square root of 231214441 is about 15205.7371080786. The cubic root of 231214441 is about 613.7690503915.
Adding to 231214441 its reverse (144412132), we get a palindrome (375626573).
The spelling of 231214441 in words is "two hundred thirty-one million, two hundred fourteen thousand, four hundred forty-one".
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