Base | Representation |
---|---|
bin | 1101000011111… |
… | …1010010100001 |
3 | 10211002101010221 |
4 | 3100333102201 |
5 | 103011111220 |
6 | 5234123041 |
7 | 1233444400 |
oct | 320772241 |
9 | 124071127 |
10 | 54785185 |
11 | 28a19a14 |
12 | 16420481 |
13 | b472490 |
14 | 73c1637 |
15 | 4c229aa |
hex | 343f4a1 |
54785185 has 48 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 34134912.
The previous prime is 54785183. The next prime is 54785191. The reversal of 54785185 is 58158745.
54785185 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 54785185 - 21 = 54785183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54785183) 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 47 ways as a sum of consecutive naturals, for example, 327972 + ... + 328138.
It is an arithmetic number, because the mean of its divisors is an integer number (1742832).
Almost surely, 254785185 is an apocalyptic number.
It is an amenable number.
54785185 is a deficient number, since it is larger than the sum of its proper divisors (28870751).
54785185 is a wasteful number, since it uses less digits than its factorization.
54785185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302 (or 295 counting only the distinct ones).
The product of its digits is 224000, while the sum is 43.
The square root of 54785185 is about 7401.7014935756. The cubic root of 54785185 is about 379.7994902477.
The spelling of 54785185 in words is "fifty-four million, seven hundred eighty-five thousand, one hundred eighty-five".
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