Base | Representation |
---|---|
bin | 1111110000111… |
… | …01101011110001 |
3 | 100012211121010211 |
4 | 13320131223301 |
5 | 232323222121 |
6 | 21042224121 |
7 | 3164016442 |
oct | 770355361 |
9 | 305747124 |
10 | 132242161 |
11 | 68713547 |
12 | 38355041 |
13 | 215221cc |
14 | 137c52c9 |
15 | b922ce1 |
hex | 7e1daf1 |
132242161 has 4 divisors (see below), whose sum is σ = 135055872. Its totient is φ = 129428452.
The previous prime is 132242153. The next prime is 132242171. The reversal of 132242161 is 161242231.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161242231 = 3929 ⋅41039.
It is a cyclic number.
It is not a de Polignac number, because 132242161 - 23 = 132242153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (132242171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406785 + ... + 1406878.
It is an arithmetic number, because the mean of its divisors is an integer number (33763968).
Almost surely, 2132242161 is an apocalyptic number.
It is an amenable number.
132242161 is a deficient number, since it is larger than the sum of its proper divisors (2813711).
132242161 is an equidigital number, since it uses as much as digits as its factorization.
132242161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2813710.
The product of its digits is 576, while the sum is 22.
The square root of 132242161 is about 11499.6591688624. The cubic root of 132242161 is about 509.4755097482.
Adding to 132242161 its reverse (161242231), we get a palindrome (293484392).
The spelling of 132242161 in words is "one hundred thirty-two million, two hundred forty-two thousand, one hundred sixty-one".
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