Base | Representation |
---|---|
bin | 1001011101111010010000 |
3 | 11200002101211 |
4 | 21131322100 |
5 | 1113404213 |
6 | 125105504 |
7 | 30044410 |
oct | 11357220 |
9 | 4602354 |
10 | 2481808 |
11 | 144568a |
12 | 9b8294 |
13 | 68b834 |
14 | 488640 |
15 | 34053d |
hex | 25de90 |
2481808 has 20 divisors (see below), whose sum is σ = 5495680. Its totient is φ = 1063584.
The previous prime is 2481797. The next prime is 2481811. The reversal of 2481808 is 8081842.
2481808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 2481808.
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 3 ways as a sum of consecutive naturals, for example, 10968 + ... + 11191.
It is an arithmetic number, because the mean of its divisors is an integer number (274784).
22481808 is an apocalyptic number.
2481808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2481808 is an abundant number, since it is smaller than the sum of its proper divisors (3013872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2481808 is a wasteful number, since it uses less digits than its factorization.
2481808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22174 (or 22168 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 2481808 is about 1575.3755107910. The cubic root of 2481808 is about 135.3908744987.
The spelling of 2481808 in words is "two million, four hundred eighty-one thousand, eight hundred eight".
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