Base | Representation |
---|---|
bin | 111111110001101010000 |
3 | 10221011200022 |
4 | 13332031100 |
5 | 1013333213 |
6 | 112443012 |
7 | 23522510 |
oct | 7761520 |
9 | 3834608 |
10 | 2089808 |
11 | 11a8116 |
12 | 849468 |
13 | 582296 |
14 | 3c5840 |
15 | 2b4308 |
hex | 1fe350 |
2089808 has 40 divisors (see below), whose sum is σ = 4737792. Its totient is φ = 874368.
The previous prime is 2089807. The next prime is 2089831. The reversal of 2089808 is 8089802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2089807) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066 + ... + 5462.
22089808 is an apocalyptic number.
2089808 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 2089808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368896).
2089808 is an abundant number, since it is smaller than the sum of its proper divisors (2647984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2089808 is a wasteful number, since it uses less digits than its factorization.
2089808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 2089808 is about 1445.6168233664. The cubic root of 2089808 is about 127.8504111867.
The spelling of 2089808 in words is "two million, eighty-nine thousand, eight hundred eight".
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