Base | Representation |
---|---|
bin | 10001001101100… |
… | …10011111111001 |
3 | 101001200120102011 |
4 | 20212302133321 |
5 | 243430323131 |
6 | 22154405521 |
7 | 3402155362 |
oct | 1046623771 |
9 | 331616364 |
10 | 144386041 |
11 | 74558408 |
12 | 404308a1 |
13 | 23bb4837 |
14 | 15266b69 |
15 | ca210b1 |
hex | 89b27f9 |
144386041 has 4 divisors (see below), whose sum is σ = 149364900. Its totient is φ = 139407184.
The previous prime is 144386017. The next prime is 144386057. The reversal of 144386041 is 140683441.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 120912016 + 23474025 = 10996^2 + 4845^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144386041 is a prime.
It is a super-4 number, since 4×1443860414 (a number of 34 digits) contains 4444 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144385994 and 144386012.
It is not an unprimeable number, because it can be changed into a prime (144386071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489386 + ... + 2489443.
It is an arithmetic number, because the mean of its divisors is an integer number (37341225).
Almost surely, 2144386041 is an apocalyptic number.
It is an amenable number.
144386041 is a deficient number, since it is larger than the sum of its proper divisors (4978859).
144386041 is an equidigital number, since it uses as much as digits as its factorization.
144386041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4978858.
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 144386041 is about 12016.0742757358. The cubic root of 144386041 is about 524.6162468472.
The spelling of 144386041 in words is "one hundred forty-four million, three hundred eighty-six thousand, forty-one".
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