Base | Representation |
---|---|
bin | 10001001101100… |
… | …10010011011001 |
3 | 101001200112022112 |
4 | 20212302103121 |
5 | 243430311431 |
6 | 22154402105 |
7 | 3402153140 |
oct | 1046622331 |
9 | 331615275 |
10 | 144385241 |
11 | 74557850 |
12 | 40430335 |
13 | 23bb4370 |
14 | 15266757 |
15 | ca20c2b |
hex | 89b24d9 |
144385241 has 16 divisors (see below), whose sum is σ = 193861248. Its totient is φ = 103852800.
The previous prime is 144385217. The next prime is 144385247. The reversal of 144385241 is 142583441.
It is a cyclic number.
It is not a de Polignac number, because 144385241 - 26 = 144385177 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144385198 and 144385207.
It is not an unprimeable number, because it can be changed into a prime (144385247) 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 15 ways as a sum of consecutive naturals, for example, 71120 + ... + 73121.
It is an arithmetic number, because the mean of its divisors is an integer number (12116328).
Almost surely, 2144385241 is an apocalyptic number.
144385241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
144385241 is a deficient number, since it is larger than the sum of its proper divisors (49476007).
144385241 is a wasteful number, since it uses less digits than its factorization.
144385241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144272.
The product of its digits is 15360, while the sum is 32.
The square root of 144385241 is about 12016.0409869474. The cubic root of 144385241 is about 524.6152779314.
The spelling of 144385241 in words is "one hundred forty-four million, three hundred eighty-five thousand, two hundred forty-one".
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