Base | Representation |
---|---|
bin | 1010110000101… |
… | …0010111101001 |
3 | 10010220220102110 |
4 | 2230022113221 |
5 | 43023144431 |
6 | 4251152533 |
7 | 1055415651 |
oct | 254122751 |
9 | 103826373 |
10 | 45131241 |
11 | 23525851 |
12 | 13145749 |
13 | 947229c |
14 | 5dcb361 |
15 | 3e67346 |
hex | 2b0a5e9 |
45131241 has 4 divisors (see below), whose sum is σ = 60174992. Its totient is φ = 30087492.
The previous prime is 45131237. The next prime is 45131291. The reversal of 45131241 is 14213154.
45131241 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.
It is not a de Polignac number, because 45131241 - 22 = 45131237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45131291) 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, 7521871 + ... + 7521876.
It is an arithmetic number, because the mean of its divisors is an integer number (15043748).
Almost surely, 245131241 is an apocalyptic number.
It is an amenable number.
45131241 is a deficient number, since it is larger than the sum of its proper divisors (15043751).
45131241 is a wasteful number, since it uses less digits than its factorization.
45131241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15043750.
The product of its digits is 480, while the sum is 21.
The square root of 45131241 is about 6717.9789371507. The cubic root of 45131241 is about 356.0347801941.
Adding to 45131241 its reverse (14213154), we get a palindrome (59344395).
The spelling of 45131241 in words is "forty-five million, one hundred thirty-one thousand, two hundred forty-one".
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