Base | Representation |
---|---|
bin | 10001001101100… |
… | …01111101011101 |
3 | 101001200110101112 |
4 | 20212301331131 |
5 | 243430240322 |
6 | 22154351405 |
7 | 3402146063 |
oct | 1046617535 |
9 | 331613345 |
10 | 144383837 |
11 | 74556794 |
12 | 4042b565 |
13 | 23bb3830 |
14 | 15266033 |
15 | ca205e2 |
hex | 89b1f5d |
144383837 has 16 divisors (see below), whose sum is σ = 164792880. Its totient is φ = 125529600.
The previous prime is 144383801. The next prime is 144383891. The reversal of 144383837 is 738383441.
It can be written as a sum of positive squares in 8 ways, for example, as 41847961 + 102535876 = 6469^2 + 10126^2 .
It is a cyclic number.
It is not a de Polignac number, because 144383837 - 26 = 144383773 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144383794 and 144383803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144383137) 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, 10787 + ... + 20127.
It is an arithmetic number, because the mean of its divisors is an integer number (10299555).
Almost surely, 2144383837 is an apocalyptic number.
It is an amenable number.
144383837 is a deficient number, since it is larger than the sum of its proper divisors (20409043).
144383837 is a wasteful number, since it uses less digits than its factorization.
144383837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9424.
The product of its digits is 193536, while the sum is 41.
The square root of 144383837 is about 12015.9825649008. The cubic root of 144383837 is about 524.6135774754.
The spelling of 144383837 in words is "one hundred forty-four million, three hundred eighty-three thousand, eight hundred thirty-seven".
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