Base | Representation |
---|---|
bin | 1011011001110001001000 |
3 | 12121212022110 |
4 | 23121301020 |
5 | 1231123003 |
6 | 144022320 |
7 | 34256442 |
oct | 13316110 |
9 | 5555273 |
10 | 2989128 |
11 | 176185a |
12 | 10019a0 |
13 | 80871c |
14 | 57b492 |
15 | 3e0a03 |
hex | 2d9c48 |
2989128 has 32 divisors (see below), whose sum is σ = 7516800. Its totient is φ = 990528.
The previous prime is 2989097. The next prime is 2989139. The reversal of 2989128 is 8219892.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225 + ... + 6687.
It is an arithmetic number, because the mean of its divisors is an integer number (234900).
22989128 is an apocalyptic number.
It is an amenable number.
2989128 is an abundant number, since it is smaller than the sum of its proper divisors (4527672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989128 is a wasteful number, since it uses less digits than its factorization.
2989128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 741 (or 737 counting only the distinct ones).
The product of its digits is 20736, while the sum is 39.
The square root of 2989128 is about 1728.9094828822. The cubic root of 2989128 is about 144.0505223956.
The spelling of 2989128 in words is "two million, nine hundred eighty-nine thousand, one hundred twenty-eight".
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