Base | Representation |
---|---|
bin | 10001001100011… |
… | …11010101010100 |
3 | 101001102020211110 |
4 | 20212033111110 |
5 | 243411221004 |
6 | 22151335020 |
7 | 3401015424 |
oct | 1046172524 |
9 | 331366743 |
10 | 144242004 |
11 | 7446a175 |
12 | 40381470 |
13 | 23b640ca |
14 | 1522a484 |
15 | c9e3589 |
hex | 898f554 |
144242004 has 24 divisors (see below), whose sum is σ = 339137568. Its totient is φ = 47713120.
The previous prime is 144241973. The next prime is 144242009. The reversal of 144242004 is 400242441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144242009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44307 + ... + 47450.
It is an arithmetic number, because the mean of its divisors is an integer number (14130732).
Almost surely, 2144242004 is an apocalyptic number.
It is an amenable number.
144242004 is an abundant number, since it is smaller than the sum of its proper divisors (194895564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144242004 is a wasteful number, since it uses less digits than its factorization.
144242004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91895 (or 91893 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 144242004 is about 12010.0792670157. The cubic root of 144242004 is about 524.4417394620.
Adding to 144242004 its reverse (400242441), we get a palindrome (544484445).
The spelling of 144242004 in words is "one hundred forty-four million, two hundred forty-two thousand, four".
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