Base | Representation |
---|---|
bin | 110101110111… |
… | …0111000000100 |
3 | 1222010210221020 |
4 | 1223232320010 |
5 | 24212211122 |
6 | 2445151140 |
7 | 462022323 |
oct | 153567004 |
9 | 58123836 |
10 | 28241412 |
11 | 14a3a211 |
12 | 955b4b0 |
13 | 5b0a6c4 |
14 | 3a720ba |
15 | 272cc5c |
hex | 1aeee04 |
28241412 has 48 divisors (see below), whose sum is σ = 67798080. Its totient is φ = 9146368.
The previous prime is 28241393. The next prime is 28241413. The reversal of 28241412 is 21414282.
It is not an unprimeable number, because it can be changed into a prime (28241413) 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 15 ways as a sum of consecutive naturals, for example, 79828 + ... + 80180.
It is an arithmetic number, because the mean of its divisors is an integer number (1412460).
Almost surely, 228241412 is an apocalyptic number.
It is an amenable number.
28241412 is an abundant number, since it is smaller than the sum of its proper divisors (39556668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28241412 is a wasteful number, since it uses less digits than its factorization.
28241412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532 (or 530 counting only the distinct ones).
The product of its digits is 1024, while the sum is 24.
The square root of 28241412 is about 5314.2649538765. The cubic root of 28241412 is about 304.5291022414.
Adding to 28241412 its reverse (21414282), we get a palindrome (49655694).
The spelling of 28241412 in words is "twenty-eight million, two hundred forty-one thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •