Base | Representation |
---|---|
bin | 1011011010001110010111 |
3 | 12121221212202 |
4 | 23122032113 |
5 | 1231202444 |
6 | 144035115 |
7 | 34265054 |
oct | 13321627 |
9 | 5557782 |
10 | 2990999 |
11 | 1763200 |
12 | 1002a9b |
13 | 80952b |
14 | 57c02b |
15 | 3e134e |
hex | 2da397 |
2990999 has 12 divisors (see below), whose sum is σ = 3463320. Its totient is φ = 2574000.
The previous prime is 2990993. The next prime is 2991041. The reversal of 2990999 is 9990992.
It is a happy number.
It is not a de Polignac number, because 2990999 - 24 = 2990983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990993) 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 11 ways as a sum of consecutive naturals, for example, 1649 + ... + 2949.
It is an arithmetic number, because the mean of its divisors is an integer number (288610).
22990999 is an apocalyptic number.
2990999 is a deficient number, since it is larger than the sum of its proper divisors (472321).
2990999 is a wasteful number, since it uses less digits than its factorization.
2990999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1342 (or 1331 counting only the distinct ones).
The product of its (nonzero) digits is 118098, while the sum is 47.
The square root of 2990999 is about 1729.4504907629. The cubic root of 2990999 is about 144.0805715508.
The spelling of 2990999 in words is "two million, nine hundred ninety thousand, nine hundred ninety-nine".
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