Base | Representation |
---|---|
bin | 110101100000… |
… | …1001001100100 |
3 | 1221210022000100 |
4 | 1223001021210 |
5 | 24140212431 |
6 | 2441144100 |
7 | 460312266 |
oct | 153011144 |
9 | 57708010 |
10 | 28054116 |
11 | 14921522 |
12 | 948b030 |
13 | 5a7338c |
14 | 3a23b36 |
15 | 26e24e6 |
hex | 1ac1264 |
28054116 has 36 divisors (see below), whose sum is σ = 71587152. Its totient is φ = 9262704.
The previous prime is 28054111. The next prime is 28054121. The reversal of 28054116 is 61145082.
It is an interprime number because it is at equal distance from previous prime (28054111) and next prime (28054121).
It is a tau number, because it is divible by the number of its divisors (36).
It is a self number, because there is not a number n which added to its sum of digits gives 28054116.
It is not an unprimeable number, because it can be changed into a prime (28054111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211 + ... + 7493.
It is an arithmetic number, because the mean of its divisors is an integer number (1988532).
Almost surely, 228054116 is an apocalyptic number.
It is an amenable number.
28054116 is an abundant number, since it is smaller than the sum of its proper divisors (43533036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28054116 is a wasteful number, since it uses less digits than its factorization.
28054116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7400 (or 7395 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 28054116 is about 5296.6136351446. The cubic root of 28054116 is about 303.8543999208.
Adding to 28054116 its reverse (61145082), we get a palindrome (89199198).
The spelling of 28054116 in words is "twenty-eight million, fifty-four thousand, one hundred sixteen".
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