Base | Representation |
---|---|
bin | 111000100011010 |
3 | 1110201101 |
4 | 13010122 |
5 | 1411304 |
6 | 342014 |
7 | 150262 |
oct | 70432 |
9 | 43641 |
10 | 28954 |
11 | 1a832 |
12 | 1490a |
13 | 10243 |
14 | a7a2 |
15 | 88a4 |
hex | 711a |
28954 has 8 divisors (see below), whose sum is σ = 44928. Its totient is φ = 13980.
The previous prime is 28949. The next prime is 28961. The reversal of 28954 is 45982.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172 + ... + 295.
It is an arithmetic number, because the mean of its divisors is an integer number (5616).
228954 is an apocalyptic number.
28954 is a deficient number, since it is larger than the sum of its proper divisors (15974).
28954 is a wasteful number, since it uses less digits than its factorization.
28954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500.
The product of its digits is 2880, while the sum is 28.
The square root of 28954 is about 170.1587494077. The cubic root of 28954 is about 30.7069152265.
Adding to 28954 its sum of digits (28), we get a palindrome (28982).
It can be divided in two parts, 289 and 54, that added together give a palindrome (343).
The spelling of 28954 in words is "twenty-eight thousand, nine hundred fifty-four".
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