Base | Representation |
---|---|
bin | 10001001101111… |
… | …01110010101101 |
3 | 101001202220212111 |
4 | 20212331302231 |
5 | 243433313201 |
6 | 22155404021 |
7 | 3402440266 |
oct | 1046756255 |
9 | 331686774 |
10 | 144432301 |
11 | 7458a142 |
12 | 40453611 |
13 | 23bcc900 |
14 | 1527996d |
15 | ca2eb51 |
hex | 89bdcad |
144432301 has 6 divisors (see below), whose sum is σ = 156397290. Its totient is φ = 133321968.
The previous prime is 144432271. The next prime is 144432329. The reversal of 144432301 is 103234441.
It can be written as a sum of positive squares in 3 ways, for example, as 13329801 + 131102500 = 3651^2 + 11450^2 .
It is not a de Polignac number, because 144432301 - 213 = 144424109 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 (144432331) 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, 427146 + ... + 427483.
It is an arithmetic number, because the mean of its divisors is an integer number (26066215).
Almost surely, 2144432301 is an apocalyptic number.
It is an amenable number.
144432301 is a deficient number, since it is larger than the sum of its proper divisors (11964989).
144432301 is an equidigital number, since it uses as much as digits as its factorization.
144432301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854655 (or 854642 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 144432301 is about 12017.9990431020. Note that the first 3 decimals coincide. The cubic root of 144432301 is about 524.6722683205.
Adding to 144432301 its reverse (103234441), we get a palindrome (247666742).
The spelling of 144432301 in words is "one hundred forty-four million, four hundred thirty-two thousand, three hundred one".
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