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132161 = 283467
BaseRepresentation
bin100000010001000001
320201021212
4200101001
513212121
62455505
71060211
oct402101
9221255
10132161
1190327
1264595
1348203
1436241
152925b
hex20441

132161 has 4 divisors (see below), whose sum is σ = 132912. Its totient is φ = 131412.

The previous prime is 132157. The next prime is 132169. The reversal of 132161 is 161231.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 132161 - 22 = 132157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 132161.

It is not an unprimeable number, because it can be changed into a prime (132169) 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, 50 + ... + 516.

It is an arithmetic number, because the mean of its divisors is an integer number (33228).

2132161 is an apocalyptic number.

It is an amenable number.

132161 is a deficient number, since it is larger than the sum of its proper divisors (751).

132161 is an equidigital number, since it uses as much as digits as its factorization.

132161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 36, while the sum is 14.

The square root of 132161 is about 363.5395439289. The cubic root of 132161 is about 50.9371261593.

Adding to 132161 its reverse (161231), we get a palindrome (293392).

The spelling of 132161 in words is "one hundred thirty-two thousand, one hundred sixty-one".

Divisors: 1 283 467 132161