Base | Representation |
---|---|
bin | 1100111011011… |
… | …0110100101101 |
3 | 10210000222101120 |
4 | 3032312310231 |
5 | 102340214341 |
6 | 5214131153 |
7 | 1225625640 |
oct | 316666455 |
9 | 123028346 |
10 | 54226221 |
11 | 28677a65 |
12 | 161b0ab9 |
13 | b307c2a |
14 | 72b7a57 |
15 | 4b62066 |
hex | 33b6d2d |
54226221 has 8 divisors (see below), whose sum is σ = 82630464. Its totient is φ = 30986400.
The previous prime is 54226219. The next prime is 54226253. The reversal of 54226221 is 12262245.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54226221 - 21 = 54226219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54226191 and 54226200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54226021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291080 + ... + 1291121.
It is an arithmetic number, because the mean of its divisors is an integer number (10328808).
Almost surely, 254226221 is an apocalyptic number.
It is an amenable number.
54226221 is a deficient number, since it is larger than the sum of its proper divisors (28404243).
54226221 is a wasteful number, since it uses less digits than its factorization.
54226221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2582211.
The product of its digits is 1920, while the sum is 24.
The square root of 54226221 is about 7363.8455306993. The cubic root of 54226221 is about 378.5033955489.
Adding to 54226221 its reverse (12262245), we get a palindrome (66488466).
The spelling of 54226221 in words is "fifty-four million, two hundred twenty-six thousand, two hundred twenty-one".
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