Base | Representation |
---|---|
bin | 1100110111111… |
… | …1100110101111 |
3 | 10202121111010202 |
4 | 3031333212233 |
5 | 102311000142 |
6 | 5205224115 |
7 | 1223664353 |
oct | 315774657 |
9 | 122544122 |
10 | 54000047 |
11 | 28533042 |
12 | 1610203b |
13 | b258cba |
14 | 7259463 |
15 | 4b1a032 |
hex | 337f9af |
54000047 has 8 divisors (see below), whose sum is σ = 56069760. Its totient is φ = 51950880.
The previous prime is 54000031. The next prime is 54000053. The reversal of 54000047 is 74000045.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54000047 - 24 = 54000031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53999992 and 54000028.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54009047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 10397.
It is an arithmetic number, because the mean of its divisors is an integer number (7008720).
Almost surely, 254000047 is an apocalyptic number.
54000047 is a deficient number, since it is larger than the sum of its proper divisors (2069713).
54000047 is a wasteful number, since it uses less digits than its factorization.
54000047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10273.
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 54000047 is about 7348.4724262938. The cubic root of 54000047 is about 377.9764246282.
The spelling of 54000047 in words is "fifty-four million, forty-seven", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •