Base | Representation |
---|---|
bin | 10001001101001… |
… | …11010010001111 |
3 | 101001121020102001 |
4 | 20212213102033 |
5 | 243422340421 |
6 | 22153413131 |
7 | 3401604436 |
oct | 1046472217 |
9 | 331536361 |
10 | 144340111 |
11 | 74526953 |
12 | 4040a1a7 |
13 | 23b99966 |
14 | 1525411d |
15 | ca12691 |
hex | 89a748f |
144340111 has 16 divisors (see below), whose sum is σ = 153964800. Its totient is φ = 135032128.
The previous prime is 144340109. The next prime is 144340151. The reversal of 144340111 is 111043441.
144340111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 144340111 - 21 = 144340109 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 (144340151) 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, 218700 + ... + 219358.
It is an arithmetic number, because the mean of its divisors is an integer number (9622800).
Almost surely, 2144340111 is an apocalyptic number.
144340111 is a deficient number, since it is larger than the sum of its proper divisors (9624689).
144340111 is a wasteful number, since it uses less digits than its factorization.
144340111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 878.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 144340111 is about 12014.1629338044. The cubic root of 144340111 is about 524.5606131690.
Adding to 144340111 its reverse (111043441), we get a palindrome (255383552).
The spelling of 144340111 in words is "one hundred forty-four million, three hundred forty thousand, one hundred eleven".
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