Base | Representation |
---|---|
bin | 10001010000100… |
… | …00100000101100 |
3 | 101002102010122012 |
4 | 20220100200230 |
5 | 244030133431 |
6 | 22210540352 |
7 | 3405351140 |
oct | 1050204054 |
9 | 332363565 |
10 | 144771116 |
11 | 747a0756 |
12 | 405976b8 |
13 | 23cbaba9 |
14 | 15327220 |
15 | ca9a22b |
hex | 8a1082c |
144771116 has 48 divisors (see below), whose sum is σ = 316495872. Its totient is φ = 56505600.
The previous prime is 144771091. The next prime is 144771119. The reversal of 144771116 is 611177441.
It is not an unprimeable number, because it can be changed into a prime (144771119) 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, 9851 + ... + 19661.
It is an arithmetic number, because the mean of its divisors is an integer number (6593664).
Almost surely, 2144771116 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144771116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158247936).
144771116 is an abundant number, since it is smaller than the sum of its proper divisors (171724756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144771116 is a wasteful number, since it uses less digits than its factorization.
144771116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9870 (or 9868 counting only the distinct ones).
The product of its digits is 4704, while the sum is 32.
The square root of 144771116 is about 12032.0869345264. The cubic root of 144771116 is about 525.0822135799.
The spelling of 144771116 in words is "one hundred forty-four million, seven hundred seventy-one thousand, one hundred sixteen".
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