Base | Representation |
---|---|
bin | 110111000000… |
… | …1011000101010 |
3 | 2000021022010020 |
4 | 1232001120222 |
5 | 24340412024 |
6 | 2510101310 |
7 | 500102022 |
oct | 156013052 |
9 | 60238106 |
10 | 28841514 |
11 | 1530a069 |
12 | 97aa836 |
13 | 5c8a8b0 |
14 | 3b8aa82 |
15 | 27ea979 |
hex | 1b8162a |
28841514 has 32 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 8806272.
The previous prime is 28841513. The next prime is 28841531. The reversal of 28841514 is 41514882.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28841513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9337 + ... + 12035.
It is an arithmetic number, because the mean of its divisors is an integer number (1956150).
Almost surely, 228841514 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28841514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31298400).
28841514 is an abundant number, since it is smaller than the sum of its proper divisors (33755286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28841514 is a wasteful number, since it uses less digits than its factorization.
28841514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2854.
The product of its digits is 10240, while the sum is 33.
The square root of 28841514 is about 5370.4295917552. The cubic root of 28841514 is about 306.6709826635.
The spelling of 28841514 in words is "twenty-eight million, eight hundred forty-one thousand, five hundred fourteen".
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