Base | Representation |
---|---|
bin | 1101000001110… |
… | …0001010101001 |
3 | 10210211001210122 |
4 | 3100130022221 |
5 | 102442010241 |
6 | 5231053025 |
7 | 1232305100 |
oct | 320341251 |
9 | 123731718 |
10 | 54641321 |
11 | 28930919 |
12 | 16371175 |
13 | b421b57 |
14 | 7385037 |
15 | 4be504b |
hex | 341c2a9 |
54641321 has 18 divisors (see below), whose sum is σ = 67105530. Its totient is φ = 44356032.
The previous prime is 54641287. The next prime is 54641329. The reversal of 54641321 is 12314645.
It can be written as a sum of positive squares in only one way, i.e., 53509225 + 1132096 = 7315^2 + 1064^2 .
It is not a de Polignac number, because 54641321 - 222 = 50447017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54641329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16145 + ... + 19233.
It is an arithmetic number, because the mean of its divisors is an integer number (3728085).
Almost surely, 254641321 is an apocalyptic number.
It is an amenable number.
54641321 is a deficient number, since it is larger than the sum of its proper divisors (12464209).
54641321 is a wasteful number, since it uses less digits than its factorization.
54641321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3141 (or 3115 counting only the distinct ones).
The product of its digits is 2880, while the sum is 26.
The square root of 54641321 is about 7391.9767992060. The cubic root of 54641321 is about 379.4667520517.
Adding to 54641321 its reverse (12314645), we get a palindrome (66955966).
The spelling of 54641321 in words is "fifty-four million, six hundred forty-one thousand, three hundred twenty-one".
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