Search a number
-
+
132243187 = 1715315081
BaseRepresentation
bin1111110000111…
…01111011110011
3100012211122112211
413320131323303
5232323240222
621042232551
73164022436
oct770357363
9305748484
10132243187
116871429a
1238355757
132152280b
14137c581d
15b923277
hex7e1def3

132243187 has 8 divisors (see below), whose sum is σ = 140141232. Its totient is φ = 124358400.

The previous prime is 132243127. The next prime is 132243191. The reversal of 132243187 is 781342231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-132243187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132243127) 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 7 ways as a sum of consecutive naturals, for example, 23487 + ... + 28567.

It is an arithmetic number, because the mean of its divisors is an integer number (17517654).

Almost surely, 2132243187 is an apocalyptic number.

132243187 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

132243187 is a deficient number, since it is larger than the sum of its proper divisors (7898045).

132243187 is a wasteful number, since it uses less digits than its factorization.

132243187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629.

The product of its digits is 8064, while the sum is 31.

The square root of 132243187 is about 11499.7037787936. The cubic root of 132243187 is about 509.4768273324.

The spelling of 132243187 in words is "one hundred thirty-two million, two hundred forty-three thousand, one hundred eighty-seven".

Divisors: 1 17 1531 5081 26027 86377 7779011 132243187