Base | Representation |
---|---|
bin | 110101100111… |
… | …1110100001001 |
3 | 1221220100102010 |
4 | 1223033310021 |
5 | 24144123220 |
6 | 2442330133 |
7 | 460652361 |
oct | 153176411 |
9 | 57810363 |
10 | 28114185 |
11 | 14962670 |
12 | 94b9949 |
13 | 5a94818 |
14 | 3a3b9a1 |
15 | 27051e0 |
hex | 1acfd09 |
28114185 has 16 divisors (see below), whose sum is σ = 49072320. Its totient is φ = 13631040.
The previous prime is 28114171. The next prime is 28114193. The reversal of 28114185 is 58141182.
It is a happy number.
It is not a de Polignac number, because 28114185 - 25 = 28114153 is a prime.
It is a Curzon 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, 85030 + ... + 85359.
It is an arithmetic number, because the mean of its divisors is an integer number (3067020).
Almost surely, 228114185 is an apocalyptic number.
It is an amenable number.
28114185 is a deficient number, since it is larger than the sum of its proper divisors (20958135).
28114185 is a wasteful number, since it uses less digits than its factorization.
28114185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170408.
The product of its digits is 2560, while the sum is 30.
The square root of 28114185 is about 5302.2811128796. The cubic root of 28114185 is about 304.0711146244.
It can be divided in two parts, 2811 and 4185, that added together give a palindrome (6996).
The spelling of 28114185 in words is "twenty-eight million, one hundred fourteen thousand, one hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •