Base | Representation |
---|---|
bin | 1011011001111000111110 |
3 | 12121220000001 |
4 | 23121320332 |
5 | 1231132010 |
6 | 144024514 |
7 | 34261060 |
oct | 13317076 |
9 | 5556001 |
10 | 2989630 |
11 | 1762176 |
12 | 100213a |
13 | 808a17 |
14 | 57b730 |
15 | 3e0c3a |
hex | 2d9e3e |
2989630 has 16 divisors (see below), whose sum is σ = 6150240. Its totient is φ = 1024992.
The previous prime is 2989621. The next prime is 2989633. The reversal of 2989630 is 369892.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 2989630.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2989633) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21285 + ... + 21424.
It is an arithmetic number, because the mean of its divisors is an integer number (384390).
22989630 is an apocalyptic number.
2989630 is an abundant number, since it is smaller than the sum of its proper divisors (3160610).
2989630 is a wasteful number, since it uses less digits than its factorization.
2989630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42723.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 2989630 is about 1729.0546550066. The cubic root of 2989630 is about 144.0585859863.
The spelling of 2989630 in words is "two million, nine hundred eighty-nine thousand, six hundred thirty".
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