Base | Representation |
---|---|
bin | 11011100101101… |
… | …10110001001101 |
3 | 121010111010121022 |
4 | 31302312301031 |
5 | 433221412331 |
6 | 34544243525 |
7 | 5510111414 |
oct | 1562666115 |
9 | 533433538 |
10 | 231435341 |
11 | 109703885 |
12 | 656105a5 |
13 | 38c426b7 |
14 | 22a4647b |
15 | 154b867b |
hex | dcb6c4d |
231435341 has 4 divisors (see below), whose sum is σ = 239415900. Its totient is φ = 223454784.
The previous prime is 231435317. The next prime is 231435389. The reversal of 231435341 is 143534132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 154504900 + 76930441 = 12430^2 + 8771^2 .
It is a cyclic number.
It is not a de Polignac number, because 231435341 - 210 = 231434317 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 231435341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231435041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990236 + ... + 3990293.
It is an arithmetic number, because the mean of its divisors is an integer number (59853975).
Almost surely, 2231435341 is an apocalyptic number.
It is an amenable number.
231435341 is a deficient number, since it is larger than the sum of its proper divisors (7980559).
231435341 is an equidigital number, since it uses as much as digits as its factorization.
231435341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7980558.
The product of its digits is 4320, while the sum is 26.
The square root of 231435341 is about 15212.9990797344. Note that the first 3 decimals coincide. The cubic root of 231435341 is about 613.9644511456.
Adding to 231435341 its reverse (143534132), we get a palindrome (374969473).
The spelling of 231435341 in words is "two hundred thirty-one million, four hundred thirty-five thousand, three hundred forty-one".
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