Base | Representation |
---|---|
bin | 10001001100011… |
… | …01111110100110 |
3 | 101001101222012220 |
4 | 20212031332212 |
5 | 243411031304 |
6 | 22151253210 |
7 | 3400663305 |
oct | 1046157646 |
9 | 331358186 |
10 | 144236454 |
11 | 74465a8a |
12 | 4037a206 |
13 | 23b6171b |
14 | 1522843c |
15 | c9e1ad9 |
hex | 898dfa6 |
144236454 has 12 divisors (see below), whose sum is σ = 288531756. Its totient is φ = 48069012.
The previous prime is 144236453. The next prime is 144236503. The reversal of 144236454 is 454632441.
It is a happy number.
144236454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144236453) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26967 + ... + 31869.
It is an arithmetic number, because the mean of its divisors is an integer number (24044313).
Almost surely, 2144236454 is an apocalyptic number.
144236454 is an abundant number, since it is smaller than the sum of its proper divisors (144295302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144236454 is an frugal number, since it uses more digits than its factorization.
144236454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9811 (or 4908 counting only the distinct ones).
The product of its digits is 46080, while the sum is 33.
The square root of 144236454 is about 12009.8482088659. The cubic root of 144236454 is about 524.4350130603.
Adding to 144236454 its reverse (454632441), we get a palindrome (598868895).
The spelling of 144236454 in words is "one hundred forty-four million, two hundred thirty-six thousand, four hundred fifty-four".
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