Base | Representation |
---|---|
bin | 1011011001110010111000 |
3 | 12121212110121 |
4 | 23121302320 |
5 | 1231123430 |
6 | 144023024 |
7 | 34256662 |
oct | 13316270 |
9 | 5555417 |
10 | 2989240 |
11 | 1761951 |
12 | 1001a74 |
13 | 8087a7 |
14 | 57b532 |
15 | 3e0a7a |
hex | 2d9cb8 |
2989240 has 16 divisors (see below), whose sum is σ = 6725880. Its totient is φ = 1195680.
The previous prime is 2989223. The next prime is 2989271. The reversal of 2989240 is 429892.
It is a junction number, because it is equal to n+sod(n) for n = 2989196 and 2989205.
It is a congruent number.
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, 37326 + ... + 37405.
22989240 is an apocalyptic number.
2989240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2989240 is an abundant number, since it is smaller than the sum of its proper divisors (3736640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989240 is a wasteful number, since it uses less digits than its factorization.
2989240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74742 (or 74738 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 2989240 is about 1728.9418729385. The cubic root of 2989240 is about 144.0523215220.
The spelling of 2989240 in words is "two million, nine hundred eighty-nine thousand, two hundred forty".
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