Search a number
-
+
132169249 = 612166709
BaseRepresentation
bin1111110000010…
…11111000100001
3100012200220010101
413320023320201
5232313403444
621040502401
73163264042
oct770137041
9305626111
10132169249
1168673793
123831aa01
13214c7c74
14137a68c9
15b90b3d4
hex7e0be21

132169249 has 4 divisors (see below), whose sum is σ = 134336020. Its totient is φ = 130002480.

The previous prime is 132169223. The next prime is 132169267. The reversal of 132169249 is 942961231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942961231 = 2347401773.

It can be written as a sum of positive squares in 2 ways, for example, as 53758224 + 78411025 = 7332^2 + 8855^2 .

It is a cyclic number.

It is not a de Polignac number, because 132169249 - 211 = 132167201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132169549) 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, 1083294 + ... + 1083415.

It is an arithmetic number, because the mean of its divisors is an integer number (33584005).

Almost surely, 2132169249 is an apocalyptic number.

It is an amenable number.

132169249 is a deficient number, since it is larger than the sum of its proper divisors (2166771).

132169249 is an equidigital number, since it uses as much as digits as its factorization.

132169249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166770.

The product of its digits is 23328, while the sum is 37.

The square root of 132169249 is about 11496.4885508576. The cubic root of 132169249 is about 509.3818590618.

The spelling of 132169249 in words is "one hundred thirty-two million, one hundred sixty-nine thousand, two hundred forty-nine".

Divisors: 1 61 2166709 132169249