Base | Representation |
---|---|
bin | 10001001110011… |
… | …10100101001111 |
3 | 101001220102012112 |
4 | 20213032211033 |
5 | 243443013241 |
6 | 22201054235 |
7 | 3403144631 |
oct | 1047164517 |
9 | 331812175 |
10 | 144501071 |
11 | 74626880 |
12 | 4048737b |
13 | 23c24cc0 |
14 | 15296a51 |
15 | ca451eb |
hex | 89ce94f |
144501071 has 16 divisors (see below), whose sum is σ = 179752608. Its totient is φ = 114124800.
The previous prime is 144501059. The next prime is 144501079. The reversal of 144501071 is 170105441.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 144501071 - 222 = 140306767 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 (144501079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27290 + ... + 32151.
It is an arithmetic number, because the mean of its divisors is an integer number (11234538).
Almost surely, 2144501071 is an apocalyptic number.
144501071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144501071 is a deficient number, since it is larger than the sum of its proper divisors (35251537).
144501071 is a wasteful number, since it uses less digits than its factorization.
144501071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59482.
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 144501071 is about 12020.8598278160. The cubic root of 144501071 is about 524.7555275972.
The spelling of 144501071 in words is "one hundred forty-four million, five hundred one thousand, seventy-one".
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