Base | Representation |
---|---|
bin | 10001001010101… |
… | …00010000000100 |
3 | 101000221221212111 |
4 | 20211110100010 |
5 | 243331000004 |
6 | 22142230404 |
7 | 3365660041 |
oct | 1045242004 |
9 | 330857774 |
10 | 144000004 |
11 | 74314375 |
12 | 40285404 |
13 | 23aaac05 |
14 | 151a61c8 |
15 | c996a04 |
hex | 8954404 |
144000004 has 24 divisors (see below), whose sum is σ = 259844760. Its totient is φ = 69774336.
The previous prime is 144000001. The next prime is 144000023. The reversal of 144000004 is 400000441.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4 + 144000000 = 2^2 + 12000^2 .
It is not an unprimeable number, because it can be changed into a prime (144000001) 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, 38004 + ... + 41620.
It is an arithmetic number, because the mean of its divisors is an integer number (10826865).
Almost surely, 2144000004 is an apocalyptic number.
It is an amenable number.
144000004 is a deficient number, since it is larger than the sum of its proper divisors (115844756).
144000004 is a wasteful number, since it uses less digits than its factorization.
144000004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3927 (or 3925 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 144000004 is about 12000.0001666667. Note that the first 3 decimals coincide. The cubic root of 144000004 is about 524.1482836950.
Adding to 144000004 its reverse (400000441), we get a palindrome (544000445).
The spelling of 144000004 in words is "one hundred forty-four million, four", and thus it is an aban number.
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