Base | Representation |
---|---|
bin | 110101010101… |
… | …100101001001 |
3 | 222022100201210 |
4 | 311111211021 |
5 | 12034411100 |
6 | 1215403333 |
7 | 226562631 |
oct | 65254511 |
9 | 28270653 |
10 | 13982025 |
11 | 798a9a2 |
12 | 4823549 |
13 | 2b871b5 |
14 | 1bdd6c1 |
15 | 1362c50 |
hex | d55949 |
13982025 has 24 divisors (see below), whose sum is σ = 23685984. Its totient is φ = 7273600.
The previous prime is 13982021. The next prime is 13982027. The reversal of 13982025 is 52028931.
It is a happy number.
13982025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13982025 - 22 = 13982021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13981983 and 13982001.
It is not an unprimeable number, because it can be changed into a prime (13982021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802 + ... + 5348.
It is an arithmetic number, because the mean of its divisors is an integer number (986916).
Almost surely, 213982025 is an apocalyptic number.
13982025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13982025 is a deficient number, since it is larger than the sum of its proper divisors (9703959).
13982025 is a wasteful number, since it uses less digits than its factorization.
13982025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4601 (or 4596 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 13982025 is about 3739.2546048645. The cubic root of 13982025 is about 240.9110338905.
The spelling of 13982025 in words is "thirteen million, nine hundred eighty-two thousand, twenty-five".
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