Base | Representation |
---|---|
bin | 10001001111100… |
… | …11111110100001 |
3 | 101002012012022111 |
4 | 20213303332201 |
5 | 244012413431 |
6 | 22204235321 |
7 | 3404353324 |
oct | 1047637641 |
9 | 332165274 |
10 | 144654241 |
11 | 74720966 |
12 | 4053bb41 |
13 | 23c79934 |
14 | 152d67bb |
15 | ca757b1 |
hex | 89f3fa1 |
144654241 has 8 divisors (see below), whose sum is σ = 155675304. Its totient is φ = 133912320.
The previous prime is 144654229. The next prime is 144654247. The reversal of 144654241 is 142456441.
It can be written as a sum of positive squares in 4 ways, for example, as 12496225 + 132158016 = 3535^2 + 11496^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144654241 - 213 = 144646049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144654247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68710 + ... + 70783.
It is an arithmetic number, because the mean of its divisors is an integer number (19459413).
Almost surely, 2144654241 is an apocalyptic number.
It is an amenable number.
144654241 is a deficient number, since it is larger than the sum of its proper divisors (11021063).
144654241 is a wasteful number, since it uses less digits than its factorization.
144654241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139571.
The product of its digits is 15360, while the sum is 31.
The square root of 144654241 is about 12027.2291488938. The cubic root of 144654241 is about 524.9408743695.
The spelling of 144654241 in words is "one hundred forty-four million, six hundred fifty-four thousand, two hundred forty-one".
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