Base | Representation |
---|---|
bin | 1011000000101001001100 |
3 | 12102122011001 |
4 | 23000221030 |
5 | 1214324340 |
6 | 141510044 |
7 | 33350431 |
oct | 13005114 |
9 | 5378131 |
10 | 2886220 |
11 | 16a1507 |
12 | b72324 |
13 | 7a092c |
14 | 551b88 |
15 | 3c029a |
hex | 2c0a4c |
2886220 has 12 divisors (see below), whose sum is σ = 6061104. Its totient is φ = 1154480.
The previous prime is 2886217. The next prime is 2886227. The reversal of 2886220 is 226882.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2886227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72136 + ... + 72175.
It is an arithmetic number, because the mean of its divisors is an integer number (505092).
22886220 is an apocalyptic number.
2886220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2886220 is an abundant number, since it is smaller than the sum of its proper divisors (3174884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2886220 is a wasteful number, since it uses less digits than its factorization.
2886220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144320 (or 144318 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 2886220 is about 1698.8878715207. The cubic root of 2886220 is about 142.3780838847.
It can be divided in two parts, 28862 and 20, that added together give a palindrome (28882).
The spelling of 2886220 in words is "two million, eight hundred eighty-six thousand, two hundred twenty".
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