Base | Representation |
---|---|
bin | 1100111010110… |
… | …1111100001001 |
3 | 10202222010110212 |
4 | 3032231330021 |
5 | 102333033313 |
6 | 5213250505 |
7 | 1225414565 |
oct | 316557411 |
9 | 122863425 |
10 | 54189833 |
11 | 28652695 |
12 | 16193a35 |
13 | b2c44b9 |
14 | 72a86a5 |
15 | 4b563a8 |
hex | 33adf09 |
54189833 has 4 divisors (see below), whose sum is σ = 54726468. Its totient is φ = 53653200.
The previous prime is 54189809. The next prime is 54189869. The reversal of 54189833 is 33898145.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33898145 = 5 ⋅6779629.
It can be written as a sum of positive squares in 2 ways, for example, as 30880249 + 23309584 = 5557^2 + 4828^2 .
It is a cyclic number.
It is not a de Polignac number, because 54189833 - 26 = 54189769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54189803) 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, 268166 + ... + 268367.
It is an arithmetic number, because the mean of its divisors is an integer number (13681617).
Almost surely, 254189833 is an apocalyptic number.
It is an amenable number.
54189833 is a deficient number, since it is larger than the sum of its proper divisors (536635).
54189833 is a wasteful number, since it uses less digits than its factorization.
54189833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536634.
The product of its digits is 103680, while the sum is 41.
The square root of 54189833 is about 7361.3743961301. The cubic root of 54189833 is about 378.4187128794.
It can be divided in two parts, 5418 and 9833, that added together give a palindrome (15251).
The spelling of 54189833 in words is "fifty-four million, one hundred eighty-nine thousand, eight hundred thirty-three".
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