Base | Representation |
---|---|
bin | 1011010000001101100110 |
3 | 12112212121220 |
4 | 23100031212 |
5 | 1223344430 |
6 | 143121210 |
7 | 34034361 |
oct | 13201546 |
9 | 5485556 |
10 | 2949990 |
11 | 173540a |
12 | ba3206 |
13 | 7c3974 |
14 | 56b0d8 |
15 | 3d4110 |
hex | 2d0366 |
2949990 has 32 divisors (see below), whose sum is σ = 7153920. Its totient is φ = 778464.
The previous prime is 2949953. The next prime is 2950001. The reversal of 2949990 is 999492.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751 + ... + 3669.
It is an arithmetic number, because the mean of its divisors is an integer number (223560).
22949990 is an apocalyptic number.
2949990 is an abundant number, since it is smaller than the sum of its proper divisors (4203930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2949990 is a wasteful number, since it uses less digits than its factorization.
2949990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1036.
The product of its (nonzero) digits is 52488, while the sum is 42.
The square root of 2949990 is about 1717.5534926168. The cubic root of 2949990 is about 143.4190521459.
The spelling of 2949990 in words is "two million, nine hundred forty-nine thousand, nine hundred ninety".
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