Base | Representation |
---|---|
bin | 10001001101000… |
… | …10011011001101 |
3 | 101001120020002210 |
4 | 20212202123031 |
5 | 243421221310 |
6 | 22153141033 |
7 | 3401462421 |
oct | 1046423315 |
9 | 331506083 |
10 | 144320205 |
11 | 745129a7 |
12 | 403ba779 |
13 | 23b90893 |
14 | 1524ab81 |
15 | ca0b820 |
hex | 89a26cd |
144320205 has 32 divisors (see below), whose sum is σ = 240484608. Its totient is φ = 73843200.
The previous prime is 144320171. The next prime is 144320207. The reversal of 144320205 is 502023441.
It is not a de Polignac number, because 144320205 - 214 = 144303821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144320207) 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 31 ways as a sum of consecutive naturals, for example, 35592 + ... + 39438.
It is an arithmetic number, because the mean of its divisors is an integer number (7515144).
Almost surely, 2144320205 is an apocalyptic number.
144320205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144320205 is a deficient number, since it is larger than the sum of its proper divisors (96164403).
144320205 is a wasteful number, since it uses less digits than its factorization.
144320205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3957.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 144320205 is about 12013.3344663336. The cubic root of 144320205 is about 524.5364979420.
Adding to 144320205 its reverse (502023441), we get a palindrome (646343646).
The spelling of 144320205 in words is "one hundred forty-four million, three hundred twenty thousand, two hundred five".
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