Base | Representation |
---|---|
bin | 110110000110… |
… | …1111001100110 |
3 | 1222101021020200 |
4 | 1230031321212 |
5 | 24230242421 |
6 | 2452011330 |
7 | 463061646 |
oct | 154157146 |
9 | 58337220 |
10 | 28368486 |
11 | 15016733 |
12 | 9600b46 |
13 | 5b534b3 |
14 | 3aa6526 |
15 | 2755726 |
hex | 1b0de66 |
28368486 has 24 divisors (see below), whose sum is σ = 61693320. Its totient is φ = 9421056.
The previous prime is 28368481. The next prime is 28368497. The reversal of 28368486 is 68486382.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28368481) 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, 2310 + ... + 7878.
It is an arithmetic number, because the mean of its divisors is an integer number (2570555).
Almost surely, 228368486 is an apocalyptic number.
28368486 is an abundant number, since it is smaller than the sum of its proper divisors (33324834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28368486 is a wasteful number, since it uses less digits than its factorization.
28368486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5860 (or 5857 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The square root of 28368486 is about 5326.2074687342. The cubic root of 28368486 is about 304.9851681402.
The spelling of 28368486 in words is "twenty-eight million, three hundred sixty-eight thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •