Base | Representation |
---|---|
bin | 110101100111… |
… | …1110001010000 |
3 | 1221220100011021 |
4 | 1223033301100 |
5 | 24144122000 |
6 | 2442325224 |
7 | 460652005 |
oct | 153176120 |
9 | 57810137 |
10 | 28114000 |
11 | 14962512 |
12 | 94b9814 |
13 | 5a94705 |
14 | 3a3b8ac |
15 | 270511a |
hex | 1acfc50 |
28114000 has 40 divisors (see below), whose sum is σ = 67984488. Its totient is φ = 11244800.
The previous prime is 28113991. The next prime is 28114003. The reversal of 28114000 is 41182.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6843456 + 21270544 = 2616^2 + 4612^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28114003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029 + ... + 9028.
Almost surely, 228114000 is an apocalyptic number.
28114000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28114000 is an abundant number, since it is smaller than the sum of its proper divisors (39870488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28114000 is a wasteful number, since it uses less digits than its factorization.
28114000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14080 (or 14064 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 28114000 is about 5302.2636675292. The cubic root of 28114000 is about 304.0704476624.
Adding to 28114000 its reverse (41182), we get a palindrome (28155182).
The spelling of 28114000 in words is "twenty-eight million, one hundred fourteen thousand".
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