Base | Representation |
---|---|
bin | 1111101001001… |
… | …11001010111001 |
3 | 100010221022001210 |
4 | 13310213022321 |
5 | 232043414231 |
6 | 21004433333 |
7 | 3152312604 |
oct | 764471271 |
9 | 303838053 |
10 | 131232441 |
11 | 6809396a |
12 | 37b48849 |
13 | 2125a742 |
14 | 1360133b |
15 | b7c3a46 |
hex | 7d272b9 |
131232441 has 16 divisors (see below), whose sum is σ = 177214464. Its totient is φ = 86377104.
The previous prime is 131232433. The next prime is 131232467. The reversal of 131232441 is 144232131.
It is not a de Polignac number, because 131232441 - 23 = 131232433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131232481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80860 + ... + 82466.
It is an arithmetic number, because the mean of its divisors is an integer number (11075904).
Almost surely, 2131232441 is an apocalyptic number.
It is an amenable number.
131232441 is a deficient number, since it is larger than the sum of its proper divisors (45982023).
131232441 is a wasteful number, since it uses less digits than its factorization.
131232441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1940.
The product of its digits is 576, while the sum is 21.
The square root of 131232441 is about 11455.6728741702. The cubic root of 131232441 is about 508.1755146620.
Adding to 131232441 its reverse (144232131), we get a palindrome (275464572).
The spelling of 131232441 in words is "one hundred thirty-one million, two hundred thirty-two thousand, four hundred forty-one".
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