Base | Representation |
---|---|
bin | 101101000010… |
… | …110001000000 |
3 | 211012220021020 |
4 | 231002301000 |
5 | 11010322213 |
6 | 1101025440 |
7 | 202236045 |
oct | 55026100 |
9 | 24186236 |
10 | 11807808 |
11 | 6735421 |
12 | 3b55280 |
13 | 25a568c |
14 | 17d51cc |
15 | 1083923 |
hex | b42c40 |
11807808 has 56 divisors (see below), whose sum is σ = 31638240. Its totient is φ = 3886080.
The previous prime is 11807801. The next prime is 11807821. The reversal of 11807808 is 80870811.
It is not an unprimeable number, because it can be changed into a prime (11807801) 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, 16743 + ... + 17433.
Almost surely, 211807808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11807808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15819120).
11807808 is an abundant number, since it is smaller than the sum of its proper divisors (19830432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11807808 is an equidigital number, since it uses as much as digits as its factorization.
11807808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 795 (or 785 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 33.
The square root of 11807808 is about 3436.2491178609. The cubic root of 11807808 is about 227.7140150869.
It can be divided in two parts, 11 and 807808, that multiplied together give a palindrome (8885888).
The spelling of 11807808 in words is "eleven million, eight hundred seven thousand, eight hundred eight".
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