Base | Representation |
---|---|
bin | 1011011001001111101110 |
3 | 12121202101021 |
4 | 23121033232 |
5 | 1231040430 |
6 | 144004354 |
7 | 34250266 |
oct | 13311756 |
9 | 5552337 |
10 | 2986990 |
11 | 1760196 |
12 | 10006ba |
13 | 807766 |
14 | 57a7a6 |
15 | 3e007a |
hex | 2d93ee |
2986990 has 32 divisors (see below), whose sum is σ = 5760000. Its totient is φ = 1111968.
The previous prime is 2986979. The next prime is 2986999. The reversal of 2986990 is 996892.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2986999) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14911 + ... + 15109.
It is an arithmetic number, because the mean of its divisors is an integer number (180000).
22986990 is an apocalyptic number.
2986990 is a deficient number, since it is larger than the sum of its proper divisors (2773010).
2986990 is a wasteful number, since it uses less digits than its factorization.
2986990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304.
The product of its (nonzero) digits is 69984, while the sum is 43.
The square root of 2986990 is about 1728.2910634497. The cubic root of 2986990 is about 144.0161697377.
The spelling of 2986990 in words is "two million, nine hundred eighty-six thousand, nine hundred ninety".
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