Base | Representation |
---|---|
bin | 110110000110… |
… | …010111000001 |
3 | 222200111210210 |
4 | 312012113001 |
5 | 12112304300 |
6 | 1223544333 |
7 | 231354300 |
oct | 66062701 |
9 | 28614723 |
10 | 14181825 |
11 | 8007019 |
12 | 48bb0a9 |
13 | 2c27118 |
14 | 1c52437 |
15 | 13a2050 |
hex | d865c1 |
14181825 has 72 divisors (see below), whose sum is σ = 29007072. Its totient is φ = 6074880.
The previous prime is 14181821. The next prime is 14181851. The reversal of 14181825 is 52818141.
It is a happy number.
It is not a de Polignac number, because 14181825 - 22 = 14181821 is a prime.
It is a super-2 number, since 2×141818252 = 402248320661250, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 14181792 and 14181801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14181821) by changing a digit.
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 71 ways as a sum of consecutive naturals, for example, 62362 + ... + 62588.
It is an arithmetic number, because the mean of its divisors is an integer number (402876).
Almost surely, 214181825 is an apocalyptic number.
14181825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
14181825 is an abundant number, since it is smaller than the sum of its proper divisors (14825247).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14181825 is a wasteful number, since it uses less digits than its factorization.
14181825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271 (or 259 counting only the distinct ones).
The product of its digits is 2560, while the sum is 30.
The square root of 14181825 is about 3765.8763920235. The cubic root of 14181825 is about 242.0531324722.
Adding to 14181825 its reverse (52818141), we get a palindrome (66999966).
The spelling of 14181825 in words is "fourteen million, one hundred eighty-one thousand, eight hundred twenty-five".
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