Base | Representation |
---|---|
bin | 1011000001001000100100 |
3 | 12102201220102 |
4 | 23001020210 |
5 | 1214410403 |
6 | 141523232 |
7 | 33356330 |
oct | 13011044 |
9 | 5381812 |
10 | 2888228 |
11 | 16a2a72 |
12 | b73518 |
13 | 7a1815 |
14 | 5527c0 |
15 | 3c0b88 |
hex | 2c1224 |
2888228 has 48 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 1140480.
The previous prime is 2888213. The next prime is 2888231. The reversal of 2888228 is 8228882.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a d-powerful number, because it can be written as 22 + 83 + 84 + 86 + 25 + 219 + 87 .
It is a junction number, because it is equal to n+sod(n) for n = 2888191 and 2888200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32408 + ... + 32496.
It is an arithmetic number, because the mean of its divisors is an integer number (130200).
22888228 is an apocalyptic number.
2888228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2888228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124800).
2888228 is an abundant number, since it is smaller than the sum of its proper divisors (3361372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2888228 is a wasteful number, since it uses less digits than its factorization.
2888228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180 (or 178 counting only the distinct ones).
The product of its digits is 32768, while the sum is 38.
The square root of 2888228 is about 1699.4787436152. The cubic root of 2888228 is about 142.4110946412.
The spelling of 2888228 in words is "two million, eight hundred eighty-eight thousand, two hundred twenty-eight".
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