Base | Representation |
---|---|
bin | 101011110011… |
… | …001011100001 |
3 | 210121100002210 |
4 | 223303023201 |
5 | 10414404300 |
6 | 1050032333 |
7 | 166410465 |
oct | 53631341 |
9 | 23540083 |
10 | 11481825 |
11 | 6532513 |
12 | 3a186a9 |
13 | 24c01a4 |
14 | 174c4a5 |
15 | 101c050 |
hex | af32e1 |
11481825 has 24 divisors (see below), whose sum is σ = 19641600. Its totient is φ = 5911360.
The previous prime is 11481797. The next prime is 11481829. The reversal of 11481825 is 52818411.
It is a happy number.
It is not a de Polignac number, because 11481825 - 213 = 11473633 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 11481792 and 11481801.
It is not an unprimeable number, because it can be changed into a prime (11481829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465 + ... + 4814.
It is an arithmetic number, because the mean of its divisors is an integer number (818400).
Almost surely, 211481825 is an apocalyptic number.
11481825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11481825 is a deficient number, since it is larger than the sum of its proper divisors (8159775).
11481825 is a wasteful number, since it uses less digits than its factorization.
11481825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5321 (or 5316 counting only the distinct ones).
The product of its digits is 2560, while the sum is 30.
The square root of 11481825 is about 3388.4841743765. The cubic root of 11481825 is about 225.5988982832.
The spelling of 11481825 in words is "eleven million, four hundred eighty-one thousand, eight hundred twenty-five".
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