Base | Representation |
---|---|
bin | 10001001101001… |
… | …01010011110111 |
3 | 101001120211022111 |
4 | 20212211103313 |
5 | 243422111043 |
6 | 22153311451 |
7 | 3401542033 |
oct | 1046452367 |
9 | 331524274 |
10 | 144332023 |
11 | 74520870 |
12 | 40405587 |
13 | 23b96084 |
14 | 152511c3 |
15 | ca1009d |
hex | 89a54f7 |
144332023 has 32 divisors (see below), whose sum is σ = 172307520. Its totient is φ = 119439360.
The previous prime is 144331949. The next prime is 144332029. The reversal of 144332023 is 320233441.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144332023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144331985 and 144332003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144332029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324093 + ... + 1324201.
It is an arithmetic number, because the mean of its divisors is an integer number (5384610).
Almost surely, 2144332023 is an apocalyptic number.
144332023 is a deficient number, since it is larger than the sum of its proper divisors (27975497).
144332023 is a wasteful number, since it uses less digits than its factorization.
144332023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 144332023 is about 12013.8263263625. The cubic root of 144332023 is about 524.5508151868.
Adding to 144332023 its reverse (320233441), we get a palindrome (464565464).
The spelling of 144332023 in words is "one hundred forty-four million, three hundred thirty-two thousand, twenty-three".
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