Base | Representation |
---|---|
bin | 1100111001010… |
… | …1110111000101 |
3 | 10202210010011222 |
4 | 3032111313011 |
5 | 102321404310 |
6 | 5211210125 |
7 | 1224524210 |
oct | 316256705 |
9 | 122703158 |
10 | 54091205 |
11 | 28595583 |
12 | 16146945 |
13 | b28b63c |
14 | 7280777 |
15 | 4b37055 |
hex | 3395dc5 |
54091205 has 32 divisors (see below), whose sum is σ = 76775424. Its totient is φ = 35816256.
The previous prime is 54091199. The next prime is 54091207. The reversal of 54091205 is 50219045.
It is a de Polignac number, because none of the positive numbers 2k-54091205 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54091207) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190994 + ... + 191276.
It is an arithmetic number, because the mean of its divisors is an integer number (2399232).
Almost surely, 254091205 is an apocalyptic number.
It is an amenable number.
54091205 is a deficient number, since it is larger than the sum of its proper divisors (22684219).
54091205 is a wasteful number, since it uses less digits than its factorization.
54091205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 465.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 54091205 is about 7354.6723244479. The cubic root of 54091205 is about 378.1889936087.
The spelling of 54091205 in words is "fifty-four million, ninety-one thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •