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188132 = 2276719
BaseRepresentation
bin101101111011100100
3100120001212
4231323210
522010012
64010552
71412330
oct557344
9316055
10188132
1111938a
1290a58
1367829
144c7c0
153ab22
hex2dee4

188132 has 12 divisors (see below), whose sum is σ = 376320. Its totient is φ = 80616.

The previous prime is 188107. The next prime is 188137. The reversal of 188132 is 231881.

188132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 188098 and 188107.

It is not an unprimeable number, because it can be changed into a prime (188137) 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 in 3 ways as a sum of consecutive naturals, for example, 3332 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (31360).

2188132 is an apocalyptic number.

It is an amenable number.

188132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188132 is a wasteful number, since it uses less digits than its factorization.

188132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730 (or 6728 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 188132 is about 433.7418587132. The cubic root of 188132 is about 57.2999475119.

The spelling of 188132 in words is "one hundred eighty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 6719 13438 26876 47033 94066 188132