Base | Representation |
---|---|
bin | 10001001101001… |
… | …01000010010101 |
3 | 101001120202202221 |
4 | 20212211002111 |
5 | 243422042101 |
6 | 22153302341 |
7 | 3401535541 |
oct | 1046450225 |
9 | 331522687 |
10 | 144330901 |
11 | 7451aa40 |
12 | 404049b1 |
13 | 23b95700 |
14 | 15250a21 |
15 | ca0eaa1 |
hex | 89a5095 |
144330901 has 24 divisors (see below), whose sum is σ = 180563904. Its totient is φ = 113967360.
The previous prime is 144330899. The next prime is 144330917. The reversal of 144330901 is 109033441.
It is a happy number.
It is not a de Polignac number, because 144330901 - 21 = 144330899 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144330001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29320 + ... + 33886.
It is an arithmetic number, because the mean of its divisors is an integer number (7523496).
Almost surely, 2144330901 is an apocalyptic number.
144330901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
144330901 is a deficient number, since it is larger than the sum of its proper divisors (36233003).
144330901 is a wasteful number, since it uses less digits than its factorization.
144330901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4621 (or 4608 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 144330901 is about 12013.7796300748. The cubic root of 144330901 is about 524.5494559423.
The spelling of 144330901 in words is "one hundred forty-four million, three hundred thirty thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •