Base | Representation |
---|---|
bin | 1100111011010… |
… | …0110101000111 |
3 | 10210000120012010 |
4 | 3032310311013 |
5 | 102334434210 |
6 | 5214025303 |
7 | 1225563063 |
oct | 316646507 |
9 | 123016163 |
10 | 54218055 |
11 | 28671911 |
12 | 161a8233 |
13 | b3042b8 |
14 | 72b4aa3 |
15 | 4b5e920 |
hex | 33b4d47 |
54218055 has 16 divisors (see below), whose sum is σ = 88767360. Its totient is φ = 28243488.
The previous prime is 54218051. The next prime is 54218057. The reversal of 54218055 is 55081245.
It is not a de Polignac number, because 54218055 - 22 = 54218051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54218051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41385 + ... + 42674.
It is an arithmetic number, because the mean of its divisors is an integer number (5547960).
Almost surely, 254218055 is an apocalyptic number.
54218055 is a deficient number, since it is larger than the sum of its proper divisors (34549305).
54218055 is a wasteful number, since it uses less digits than its factorization.
54218055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84110.
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 54218055 is about 7363.2910440916. The cubic root of 54218055 is about 378.4843948155.
It can be divided in two parts, 5 and 4218055, that added together give a triangular number (4218060 = T2904).
The spelling of 54218055 in words is "fifty-four million, two hundred eighteen thousand, fifty-five".
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