Base | Representation |
---|---|
bin | 10001001101001… |
… | …01000100001111 |
3 | 101001120202221110 |
4 | 20212211010033 |
5 | 243422043043 |
6 | 22153303103 |
7 | 3401536104 |
oct | 1046450417 |
9 | 331522843 |
10 | 144331023 |
11 | 74520041 |
12 | 40404a93 |
13 | 23b95795 |
14 | 15250aab |
15 | ca0eb33 |
hex | 89a510f |
144331023 has 8 divisors (see below), whose sum is σ = 192503088. Its totient is φ = 96189824.
The previous prime is 144331021. The next prime is 144331027. The reversal of 144331023 is 320133441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144331023 - 21 = 144331021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144331021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465 + ... + 18557.
It is an arithmetic number, because the mean of its divisors is an integer number (24062886).
Almost surely, 2144331023 is an apocalyptic number.
144331023 is a deficient number, since it is larger than the sum of its proper divisors (48172065).
144331023 is a wasteful number, since it uses less digits than its factorization.
144331023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15433.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 144331023 is about 12013.7847075765. The cubic root of 144331023 is about 524.5496037393.
Adding to 144331023 its reverse (320133441), we get a palindrome (464464464).
The spelling of 144331023 in words is "one hundred forty-four million, three hundred thirty-one thousand, twenty-three".
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