Base | Representation |
---|---|
bin | 1011011010000101110001 |
3 | 12121221010101 |
4 | 23122011301 |
5 | 1231143244 |
6 | 144032401 |
7 | 34263340 |
oct | 13320561 |
9 | 5557111 |
10 | 2990449 |
11 | 1762850 |
12 | 1002701 |
13 | 8091c7 |
14 | 57bb57 |
15 | 3e10d4 |
hex | 2da171 |
2990449 has 16 divisors (see below), whose sum is σ = 3787776. Its totient is φ = 2293200.
The previous prime is 2990447. The next prime is 2990459. The reversal of 2990449 is 9440992.
2990449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2990449 - 21 = 2990447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2990441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5194 + ... + 5740.
It is an arithmetic number, because the mean of its divisors is an integer number (236736).
22990449 is an apocalyptic number.
2990449 is the 1094-th heptagonal number.
It is an amenable number.
2990449 is a deficient number, since it is larger than the sum of its proper divisors (797327).
2990449 is a wasteful number, since it uses less digits than its factorization.
2990449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 2990449 is about 1729.2914734075. The cubic root of 2990449 is about 144.0717395884.
The spelling of 2990449 in words is "two million, nine hundred ninety thousand, four hundred forty-nine".
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