Base | Representation |
---|---|
bin | 1011011001111010111011 |
3 | 12121220011200 |
4 | 23121322323 |
5 | 1231133010 |
6 | 144025243 |
7 | 34261326 |
oct | 13317273 |
9 | 5556150 |
10 | 2989755 |
11 | 176227a |
12 | 1002223 |
13 | 808ab2 |
14 | 57b7bd |
15 | 3e0cc0 |
hex | 2d9ebb |
2989755 has 36 divisors (see below), whose sum is σ = 5435040. Its totient is φ = 1520064.
The previous prime is 2989691. The next prime is 2989757. The reversal of 2989755 is 5579892.
It is a happy number.
It is not a de Polignac number, because 2989755 - 26 = 2989691 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2989755.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2989757) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37806 + ... + 37884.
22989755 is an apocalyptic number.
2989755 is a deficient number, since it is larger than the sum of its proper divisors (2445285).
2989755 is a wasteful number, since it uses less digits than its factorization.
2989755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148 (or 116 counting only the distinct ones).
The product of its digits is 226800, while the sum is 45.
The square root of 2989755 is about 1729.0908015486. The cubic root of 2989755 is about 144.0605937122.
The spelling of 2989755 in words is "two million, nine hundred eighty-nine thousand, seven hundred fifty-five".
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