Base | Representation |
---|---|
bin | 10001001011100… |
… | …00011100001111 |
3 | 101001011211021001 |
4 | 20211300130033 |
5 | 243343143341 |
6 | 22144521131 |
7 | 3366650503 |
oct | 1045603417 |
9 | 331154231 |
10 | 144115471 |
11 | 743930a5 |
12 | 403201a7 |
13 | 23b1b636 |
14 | 151d6303 |
15 | c9bad31 |
hex | 897070f |
144115471 has 8 divisors (see below), whose sum is σ = 149248080. Its totient is φ = 138993792.
The previous prime is 144115463. The next prime is 144115483. The reversal of 144115471 is 174511441.
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 144115471 - 23 = 144115463 is a prime.
It is a super-3 number, since 3×1441154713 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144115441) 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, 31591 + ... + 35863.
It is an arithmetic number, because the mean of its divisors is an integer number (18656010).
Almost surely, 2144115471 is an apocalyptic number.
144115471 is a deficient number, since it is larger than the sum of its proper divisors (5132609).
144115471 is a wasteful number, since it uses less digits than its factorization.
144115471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5465.
The product of its digits is 2240, while the sum is 28.
The square root of 144115471 is about 12004.8103275312. The cubic root of 144115471 is about 524.2883430905.
The spelling of 144115471 in words is "one hundred forty-four million, one hundred fifteen thousand, four hundred seventy-one".
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