Base | Representation |
---|---|
bin | 1100110111111… |
… | …1100110010001 |
3 | 10202121111002122 |
4 | 3031333212101 |
5 | 102311000032 |
6 | 5205224025 |
7 | 1223664311 |
oct | 315774621 |
9 | 122544078 |
10 | 54000017 |
11 | 28533015 |
12 | 16102015 |
13 | b258c96 |
14 | 7259441 |
15 | 4b1a012 |
hex | 337f991 |
54000017 has 4 divisors (see below), whose sum is σ = 54495540. Its totient is φ = 53504496.
The previous prime is 53999989. The next prime is 54000031. The reversal of 54000017 is 71000045.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71000045 = 5 ⋅14200009.
It can be written as a sum of positive squares in 2 ways, for example, as 44568976 + 9431041 = 6676^2 + 3071^2 .
It is a cyclic number.
It is not a de Polignac number, because 54000017 - 216 = 53934481 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53999959 and 54000004.
It is not an unprimeable number, because it can be changed into a prime (54000917) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247598 + ... + 247815.
It is an arithmetic number, because the mean of its divisors is an integer number (13623885).
Almost surely, 254000017 is an apocalyptic number.
It is an amenable number.
54000017 is a deficient number, since it is larger than the sum of its proper divisors (495523).
54000017 is a wasteful number, since it uses less digits than its factorization.
54000017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495522.
The product of its (nonzero) digits is 140, while the sum is 17.
The square root of 54000017 is about 7348.4703850529. The cubic root of 54000017 is about 377.9763546326.
The spelling of 54000017 in words is "fifty-four million, seventeen", and thus it is an aban number.
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