Base | Representation |
---|---|
bin | 10001001011101… |
… | …01110011111111 |
3 | 101001012221102212 |
4 | 20211311303333 |
5 | 243344344341 |
6 | 22145211035 |
7 | 3400101602 |
oct | 1045656377 |
9 | 331187385 |
10 | 144137471 |
11 | 743a8685 |
12 | 40330a7b |
13 | 23b2865a |
14 | 15200339 |
15 | c9c25eb |
hex | 8975cff |
144137471 has 2 divisors, whose sum is σ = 144137472. Its totient is φ = 144137470.
The previous prime is 144137467. The next prime is 144137501. The reversal of 144137471 is 174731441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144137471 - 22 = 144137467 is a prime.
It is a super-3 number, since 3×1441374713 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144137431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72068735 + 72068736.
It is an arithmetic number, because the mean of its divisors is an integer number (72068736).
Almost surely, 2144137471 is an apocalyptic number.
144137471 is a deficient number, since it is larger than the sum of its proper divisors (1).
144137471 is an equidigital number, since it uses as much as digits as its factorization.
144137471 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9408, while the sum is 32.
The square root of 144137471 is about 12005.7265919227. The cubic root of 144137471 is about 524.3150202094.
The spelling of 144137471 in words is "one hundred forty-four million, one hundred thirty-seven thousand, four hundred seventy-one".
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