Base | Representation |
---|---|
bin | 1011011001110110110001 |
3 | 12121212210211 |
4 | 23121312301 |
5 | 1231130424 |
6 | 144024121 |
7 | 34260466 |
oct | 13316661 |
9 | 5555724 |
10 | 2989489 |
11 | 1762058 |
12 | 1002041 |
13 | 808939 |
14 | 57b66d |
15 | 3e0b94 |
hex | 2d9db1 |
2989489 has 8 divisors (see below), whose sum is σ = 3143360. Its totient is φ = 2839536.
The previous prime is 2989487. The next prime is 2989513. The reversal of 2989489 is 9849892.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2989489 - 21 = 2989487 is a prime.
It is a super-2 number, since 2×29894892 = 17874088962242, which contains 22 as substring.
It is a Duffinian number.
2989489 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2989487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652 + ... + 2530.
It is an arithmetic number, because the mean of its divisors is an integer number (392920).
22989489 is an apocalyptic number.
It is an amenable number.
2989489 is a deficient number, since it is larger than the sum of its proper divisors (153871).
2989489 is a wasteful number, since it uses less digits than its factorization.
2989489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1959.
The product of its digits is 373248, while the sum is 49.
The square root of 2989489 is about 1729.0138808003. The cubic root of 2989489 is about 144.0563212044.
The spelling of 2989489 in words is "two million, nine hundred eighty-nine thousand, four hundred eighty-nine".
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