Base | Representation |
---|---|
bin | 1100111010110… |
… | …0100100011010 |
3 | 10202221211202220 |
4 | 3032230210122 |
5 | 102332343333 |
6 | 5213204510 |
7 | 1225362324 |
oct | 316544432 |
9 | 122854686 |
10 | 54184218 |
11 | 28649450 |
12 | 16190736 |
13 | b2c1a8a |
14 | 72a6614 |
15 | 4b548b3 |
hex | 33ac91a |
54184218 has 64 divisors (see below), whose sum is σ = 124084224. Its totient is φ = 15624000.
The previous prime is 54184211. The next prime is 54184223. The reversal of 54184218 is 81248145.
54184218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (54184211) 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 31 ways as a sum of consecutive naturals, for example, 145080 + ... + 145452.
It is an arithmetic number, because the mean of its divisors is an integer number (1938816).
Almost surely, 254184218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54184218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62042112).
54184218 is an abundant number, since it is smaller than the sum of its proper divisors (69900006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54184218 is a wasteful number, since it uses less digits than its factorization.
54184218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 491.
The product of its digits is 10240, while the sum is 33.
The square root of 54184218 is about 7360.9930036647. The cubic root of 54184218 is about 378.4056421959.
The spelling of 54184218 in words is "fifty-four million, one hundred eighty-four thousand, two hundred eighteen".
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