Base | Representation |
---|---|
bin | 1101000100011… |
… | …1110101111111 |
3 | 10211011011012122 |
4 | 3101013311333 |
5 | 103013221343 |
6 | 5234553155 |
7 | 1233651503 |
oct | 321076577 |
9 | 124134178 |
10 | 54820223 |
11 | 28a43277 |
12 | 164387bb |
13 | b485403 |
14 | 73d0303 |
15 | 4c2d068 |
hex | 3447d7f |
54820223 has 4 divisors (see below), whose sum is σ = 58044960. Its totient is φ = 51595488.
The previous prime is 54820217. The next prime is 54820253. The reversal of 54820223 is 32202845.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 54820223 - 26 = 54820159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 54820192 and 54820201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54820253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612343 + ... + 1612376.
It is an arithmetic number, because the mean of its divisors is an integer number (14511240).
Almost surely, 254820223 is an apocalyptic number.
54820223 is a deficient number, since it is larger than the sum of its proper divisors (3224737).
54820223 is a wasteful number, since it uses less digits than its factorization.
54820223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3224736.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 54820223 is about 7404.0680034694. The cubic root of 54820223 is about 379.8804402261.
The spelling of 54820223 in words is "fifty-four million, eight hundred twenty thousand, two hundred twenty-three".
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