Base | Representation |
---|---|
bin | 10111011100001… |
… | …111111001110101 |
3 | 1000102000202022012 |
4 | 113130033321311 |
5 | 1301134444031 |
6 | 103005214005 |
7 | 12513556151 |
oct | 2734177165 |
9 | 1012022265 |
10 | 393281141 |
11 | 191aa6a40 |
12 | ab861305 |
13 | 6362b346 |
14 | 3a336061 |
15 | 247d7b2b |
hex | 1770fe75 |
393281141 has 16 divisors (see below), whose sum is σ = 440391168. Its totient is φ = 348188400.
The previous prime is 393281131. The next prime is 393281153. The reversal of 393281141 is 141182393.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-393281141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 393281098 and 393281107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393281131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61790 + ... + 67856.
It is an arithmetic number, because the mean of its divisors is an integer number (27524448).
Almost surely, 2393281141 is an apocalyptic number.
It is an amenable number.
393281141 is a deficient number, since it is larger than the sum of its proper divisors (47110027).
393281141 is a wasteful number, since it uses less digits than its factorization.
393281141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6232.
The product of its digits is 5184, while the sum is 32.
The square root of 393281141 is about 19831.3171776360. The cubic root of 393281141 is about 732.6575686375.
The spelling of 393281141 in words is "three hundred ninety-three million, two hundred eighty-one thousand, one hundred forty-one".
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