Base | Representation |
---|---|
bin | 110101101010… |
… | …0110111011100 |
3 | 1221221101210110 |
4 | 1223110313130 |
5 | 24200304001 |
6 | 2443010020 |
7 | 461066610 |
oct | 153246734 |
9 | 57841713 |
10 | 28134876 |
11 | 14977170 |
12 | 9509910 |
13 | 5aa1073 |
14 | 3a45340 |
15 | 270b3d6 |
hex | 1ad4ddc |
28134876 has 48 divisors (see below), whose sum is σ = 81849600. Its totient is φ = 7307520.
The previous prime is 28134859. The next prime is 28134893. The reversal of 28134876 is 67843182.
It is an interprime number because it is at equal distance from previous prime (28134859) and next prime (28134893).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14301 + ... + 16148.
It is an arithmetic number, because the mean of its divisors is an integer number (1705200).
Almost surely, 228134876 is an apocalyptic number.
It is an amenable number.
28134876 is an abundant number, since it is smaller than the sum of its proper divisors (53714724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28134876 is a wasteful number, since it uses less digits than its factorization.
28134876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30474 (or 30472 counting only the distinct ones).
The product of its digits is 64512, while the sum is 39.
The square root of 28134876 is about 5304.2318953832. The cubic root of 28134876 is about 304.1456913623.
The spelling of 28134876 in words is "twenty-eight million, one hundred thirty-four thousand, eight hundred seventy-six".
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