Base | Representation |
---|---|
bin | 110101110110… |
… | …0001111010010 |
3 | 1222010021010011 |
4 | 1223230033102 |
5 | 24211334420 |
6 | 2445025134 |
7 | 461645662 |
oct | 153541722 |
9 | 58107104 |
10 | 28230610 |
11 | 14a32091 |
12 | 95551aa |
13 | 5b05805 |
14 | 3a6c1a2 |
15 | 272995a |
hex | 1aec3d2 |
28230610 has 16 divisors (see below), whose sum is σ = 50967000. Its totient is φ = 11258496.
The previous prime is 28230607. The next prime is 28230613. The reversal of 28230610 is 1603282.
It is an interprime number because it is at equal distance from previous prime (28230607) and next prime (28230613).
It can be written as a sum of positive squares in 4 ways, for example, as 17081689 + 11148921 = 4133^2 + 3339^2 .
It is not an unprimeable number, because it can be changed into a prime (28230613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555 + ... + 7534.
Almost surely, 228230610 is an apocalyptic number.
28230610 is a deficient number, since it is larger than the sum of its proper divisors (22736390).
28230610 is a wasteful number, since it uses less digits than its factorization.
28230610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8445.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 28230610 is about 5313.2485355007. The cubic root of 28230610 is about 304.4902710520.
Adding to 28230610 its reverse (1603282), we get a palindrome (29833892).
The spelling of 28230610 in words is "twenty-eight million, two hundred thirty thousand, six hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •