Base | Representation |
---|---|
bin | 1011011000111101010000 |
3 | 12121200202111 |
4 | 23120331100 |
5 | 1231021213 |
6 | 143555104 |
7 | 34243660 |
oct | 13307520 |
9 | 5550674 |
10 | 2985808 |
11 | 175a311 |
12 | bbba94 |
13 | 807067 |
14 | 57a1a0 |
15 | 3dea3d |
hex | 2d8f50 |
2985808 has 40 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 1252992.
The previous prime is 2985781. The next prime is 2985809. The reversal of 2985808 is 8085892.
It is a happy number.
2985808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2985809) 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 7 ways as a sum of consecutive naturals, for example, 5685 + ... + 6187.
22985808 is an apocalyptic number.
2985808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2985808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374784).
2985808 is an abundant number, since it is smaller than the sum of its proper divisors (3763760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2985808 is a wasteful number, since it uses less digits than its factorization.
2985808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571 (or 565 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 40.
The square root of 2985808 is about 1727.9490733236. The cubic root of 2985808 is about 143.9971707263.
The spelling of 2985808 in words is "two million, nine hundred eighty-five thousand, eight hundred eight".
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