Base | Representation |
---|---|
bin | 1100111110111… |
… | …1011010100011 |
3 | 10210110202100200 |
4 | 3033233122203 |
5 | 102420124034 |
6 | 5223120243 |
7 | 1230612510 |
oct | 317573243 |
9 | 123422320 |
10 | 54458019 |
11 | 28816130 |
12 | 162a3083 |
13 | b3895a5 |
14 | 7338307 |
15 | 4baaa99 |
hex | 33ef6a3 |
54458019 has 24 divisors (see below), whose sum is σ = 98072832. Its totient is φ = 28289520.
The previous prime is 54458011. The next prime is 54458059. The reversal of 54458019 is 91085445.
It is not a de Polignac number, because 54458019 - 23 = 54458011 is a prime.
It is a super-2 number, since 2×544580192 = 5931351666808722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (54458011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38599 + ... + 39984.
It is an arithmetic number, because the mean of its divisors is an integer number (4086368).
Almost surely, 254458019 is an apocalyptic number.
54458019 is a deficient number, since it is larger than the sum of its proper divisors (43614813).
54458019 is a wasteful number, since it uses less digits than its factorization.
54458019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78607 (or 78604 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 54458019 is about 7379.5676702636. The cubic root of 54458019 is about 379.0419518078.
The spelling of 54458019 in words is "fifty-four million, four hundred fifty-eight thousand, nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •