Base | Representation |
---|---|
bin | 1011011001110101001100 |
3 | 12121212200002 |
4 | 23121311030 |
5 | 1231130023 |
6 | 144023432 |
7 | 34260263 |
oct | 13316514 |
9 | 5555602 |
10 | 2989388 |
11 | 1761a76 |
12 | 1001b78 |
13 | 80888c |
14 | 57b5da |
15 | 3e0b28 |
hex | 2d9d4c |
2989388 has 12 divisors (see below), whose sum is σ = 5343072. Its totient is φ = 1462800.
The previous prime is 2989373. The next prime is 2989391. The reversal of 2989388 is 8839892.
It is a happy number.
It is a super-2 number, since 2×29893882 = 17872881229088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7763 + ... + 8138.
It is an arithmetic number, because the mean of its divisors is an integer number (445256).
22989388 is an apocalyptic number.
It is an amenable number.
2989388 is a deficient number, since it is larger than the sum of its proper divisors (2353684).
2989388 is a wasteful number, since it uses less digits than its factorization.
2989388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15952 (or 15950 counting only the distinct ones).
The product of its digits is 248832, while the sum is 47.
The square root of 2989388 is about 1728.9846731536. The cubic root of 2989388 is about 144.0546988700.
The spelling of 2989388 in words is "two million, nine hundred eighty-nine thousand, three hundred eighty-eight".
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