Base | Representation |
---|---|
bin | 1011011110001000001110 |
3 | 12122202211000 |
4 | 23132020032 |
5 | 1232210430 |
6 | 144241130 |
7 | 34362510 |
oct | 13361016 |
9 | 5582730 |
10 | 3006990 |
11 | 1774218 |
12 | 10101a6 |
13 | 8138ac |
14 | 583bb0 |
15 | 3e5e60 |
hex | 2de20e |
3006990 has 128 divisors (see below), whose sum is σ = 9630720. Its totient is φ = 653184.
The previous prime is 3006989. The next prime is 3007001. The reversal of 3006990 is 996003.
3006990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 69909 + ... + 69951.
It is an arithmetic number, because the mean of its divisors is an integer number (75240).
Almost surely, 23006990 is an apocalyptic number.
3006990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3006990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4815360).
3006990 is an abundant number, since it is smaller than the sum of its proper divisors (6623730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3006990 is a wasteful number, since it uses less digits than its factorization.
3006990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103 (or 97 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 3006990 is about 1734.0674727357. The cubic root of 3006990 is about 144.3368848617.
The spelling of 3006990 in words is "three million, six thousand, nine hundred ninety".
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