Base | Representation |
---|---|
bin | 110010011110… |
… | …001111000001 |
3 | 220220012120120 |
4 | 302132033001 |
5 | 11341343131 |
6 | 1151330453 |
7 | 220314315 |
oct | 62361701 |
9 | 26805516 |
10 | 13231041 |
11 | 751774a |
12 | 4520a29 |
13 | 2983425 |
14 | 1a85b45 |
15 | 1265496 |
hex | c9e3c1 |
13231041 has 4 divisors (see below), whose sum is σ = 17641392. Its totient is φ = 8820692.
The previous prime is 13231027. The next prime is 13231061. The reversal of 13231041 is 14013231.
13231041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, and also an emirpimes, since its reverse is a distinct semiprime: 14013231 = 3 ⋅4671077.
It is a cyclic number.
It is not a de Polignac number, because 13231041 - 213 = 13222849 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13231041.
It is not an unprimeable number, because it can be changed into a prime (13231061) 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, 2205171 + ... + 2205176.
It is an arithmetic number, because the mean of its divisors is an integer number (4410348).
Almost surely, 213231041 is an apocalyptic number.
It is an amenable number.
13231041 is a deficient number, since it is larger than the sum of its proper divisors (4410351).
13231041 is an equidigital number, since it uses as much as digits as its factorization.
13231041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4410350.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 13231041 is about 3637.4497934679. The cubic root of 13231041 is about 236.5182580323.
Adding to 13231041 its reverse (14013231), we get a palindrome (27244272).
The spelling of 13231041 in words is "thirteen million, two hundred thirty-one thousand, forty-one".
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