Base | Representation |
---|---|
bin | 11011100100001… |
… | …01101001011101 |
3 | 121010002220121110 |
4 | 31302011221131 |
5 | 433143443031 |
6 | 34540052233 |
7 | 5505313005 |
oct | 1562055135 |
9 | 533086543 |
10 | 231234141 |
11 | 1095866a6 |
12 | 65534079 |
13 | 38ba1c48 |
14 | 229d3005 |
15 | 15478c46 |
hex | dc85a5d |
231234141 has 4 divisors (see below), whose sum is σ = 308312192. Its totient is φ = 154156092.
The previous prime is 231234131. The next prime is 231234151. The reversal of 231234141 is 141432132.
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 an interprime number because it is at equal distance from previous prime (231234131) and next prime (231234151).
It is not a de Polignac number, because 231234141 - 25 = 231234109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231234131) 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, 38539021 + ... + 38539026.
It is an arithmetic number, because the mean of its divisors is an integer number (77078048).
Almost surely, 2231234141 is an apocalyptic number.
It is an amenable number.
231234141 is a deficient number, since it is larger than the sum of its proper divisors (77078051).
231234141 is an equidigital number, since it uses as much as digits as its factorization.
231234141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77078050.
The product of its digits is 576, while the sum is 21.
The square root of 231234141 is about 15206.3848760973. The cubic root of 231234141 is about 613.7864814062.
Adding to 231234141 its reverse (141432132), we get a palindrome (372666273).
The spelling of 231234141 in words is "two hundred thirty-one million, two hundred thirty-four thousand, one hundred forty-one".
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