Base | Representation |
---|---|
bin | 10001001010111… |
… | …01101000000001 |
3 | 101001000220112121 |
4 | 20211131220001 |
5 | 243333212101 |
6 | 22143124241 |
7 | 3366210013 |
oct | 1045355001 |
9 | 331026477 |
10 | 144038401 |
11 | 74340201 |
12 | 402a3681 |
13 | 23ac2530 |
14 | 151b61b3 |
15 | c9a30a1 |
hex | 895da01 |
144038401 has 8 divisors (see below), whose sum is σ = 156862440. Its totient is φ = 131463552.
The previous prime is 144038387. The next prime is 144038407. The reversal of 144038401 is 104830441.
It can be written as a sum of positive squares in 4 ways, for example, as 14400 + 144024001 = 120^2 + 12001^2 .
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 144038401 - 219 = 143514113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144038407) 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 7 ways as a sum of consecutive naturals, for example, 61090 + ... + 63403.
It is an arithmetic number, because the mean of its divisors is an integer number (19607805).
Almost surely, 2144038401 is an apocalyptic number.
It is an amenable number.
144038401 is a deficient number, since it is larger than the sum of its proper divisors (12824039).
144038401 is a wasteful number, since it uses less digits than its factorization.
144038401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124595.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 144038401 is about 12001.5999350087. The cubic root of 144038401 is about 524.1948668722.
Adding to 144038401 its reverse (104830441), we get a palindrome (248868842).
The spelling of 144038401 in words is "one hundred forty-four million, thirty-eight thousand, four hundred one".
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