Base | Representation |
---|---|
bin | 1100111000000… |
… | …1110101100011 |
3 | 10202121221200021 |
4 | 3032001311203 |
5 | 102311243222 |
6 | 5205334311 |
7 | 1224033121 |
oct | 316016543 |
9 | 122557607 |
10 | 54009187 |
11 | 285399a1 |
12 | 16107397 |
13 | b2601cb |
14 | 725c911 |
15 | 4b1cac7 |
hex | 3381d63 |
54009187 has 6 divisors (see below), whose sum is σ = 57373388. Its totient is φ = 50831904.
The previous prime is 54009127. The next prime is 54009199. The reversal of 54009187 is 78190045.
It is a happy number.
54009187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 54009187 - 223 = 45620579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54009127) 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 5 ways as a sum of consecutive naturals, for example, 93153 + ... + 93730.
Almost surely, 254009187 is an apocalyptic number.
54009187 is a deficient number, since it is larger than the sum of its proper divisors (3364201).
54009187 is a wasteful number, since it uses less digits than its factorization.
54009187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186917 (or 186900 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 54009187 is about 7349.0942979390. The cubic root of 54009187 is about 377.9977487432.
The spelling of 54009187 in words is "fifty-four million, nine thousand, one hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •