Base | Representation |
---|---|
bin | 111110000111… |
… | …100010110001 |
3 | 1010122022012122 |
4 | 332013202301 |
5 | 13132040300 |
6 | 1341004025 |
7 | 255260465 |
oct | 76074261 |
9 | 33568178 |
10 | 16283825 |
11 | 9212308 |
12 | 5553615 |
13 | 34b1acc |
14 | 223c4a5 |
15 | 1669c85 |
hex | f878b1 |
16283825 has 12 divisors (see below), whose sum is σ = 20266188. Its totient is φ = 12979200.
The previous prime is 16283821. The next prime is 16283843. The reversal of 16283825 is 52838261.
It can be written as a sum of positive squares in 6 ways, for example, as 4532641 + 11751184 = 2129^2 + 3428^2 .
It is not a de Polignac number, because 16283825 - 22 = 16283821 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (16283821) 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 11 ways as a sum of consecutive naturals, for example, 6785 + ... + 8865.
It is an arithmetic number, because the mean of its divisors is an integer number (1688849).
Almost surely, 216283825 is an apocalyptic number.
It is an amenable number.
16283825 is a deficient number, since it is larger than the sum of its proper divisors (3982363).
16283825 is a wasteful number, since it uses less digits than its factorization.
16283825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2404 (or 2399 counting only the distinct ones).
The product of its digits is 23040, while the sum is 35.
The square root of 16283825 is about 4035.3221680555. The cubic root of 16283825 is about 253.4654733453.
It can be divided in two parts, 1 and 6283825, that added together give a palindrome (6283826).
The spelling of 16283825 in words is "sixteen million, two hundred eighty-three thousand, eight hundred twenty-five".
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