Base | Representation |
---|---|
bin | 111110100100… |
… | …0000110001001 |
3 | 2021201110201211 |
4 | 1331020012021 |
5 | 31344114121 |
6 | 3131013121 |
7 | 545543131 |
oct | 175100611 |
9 | 67643654 |
10 | 32801161 |
11 | 17573aa8 |
12 | ab9a1a1 |
13 | 6a45c93 |
14 | 44dbac1 |
15 | 2d2dce1 |
hex | 1f48189 |
32801161 has 2 divisors, whose sum is σ = 32801162. Its totient is φ = 32801160.
The previous prime is 32801149. The next prime is 32801191. The reversal of 32801161 is 16110823.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27625536 + 5175625 = 5256^2 + 2275^2 .
It is a cyclic number.
It is not a de Polignac number, because 32801161 - 27 = 32801033 is a prime.
It is not a weakly prime, because it can be changed into another prime (32801101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16400580 + 16400581.
It is an arithmetic number, because the mean of its divisors is an integer number (16400581).
Almost surely, 232801161 is an apocalyptic number.
It is an amenable number.
32801161 is a deficient number, since it is larger than the sum of its proper divisors (1).
32801161 is an equidigital number, since it uses as much as digits as its factorization.
32801161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 32801161 is about 5727.2297841103. The cubic root of 32801161 is about 320.1079095705.
Adding to 32801161 its reverse (16110823), we get a palindrome (48911984).
The spelling of 32801161 in words is "thirty-two million, eight hundred one thousand, one hundred sixty-one".
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