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132188542 = 2443149197
BaseRepresentation
bin1111110000100…
…00100101111110
3100012201212120221
413320100211332
5232320013132
621041131554
73163404223
oct770204576
9305655527
10132188542
1168687232
1238329bba
1321503995
14137ad94a
15b911e97
hex7e1097e

132188542 has 8 divisors (see below), whose sum is σ = 198731736. Its totient is φ = 65944632.

The previous prime is 132188509. The next prime is 132188543. The reversal of 132188542 is 245881231.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 132188498 and 132188507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132188543) 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, 73713 + ... + 75484.

It is an arithmetic number, because the mean of its divisors is an integer number (24841467).

Almost surely, 2132188542 is an apocalyptic number.

132188542 is a deficient number, since it is larger than the sum of its proper divisors (66543194).

132188542 is a wasteful number, since it uses less digits than its factorization.

132188542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149642.

The product of its digits is 15360, while the sum is 34.

The square root of 132188542 is about 11497.3276025344. The cubic root of 132188542 is about 509.4066430065.

The spelling of 132188542 in words is "one hundred thirty-two million, one hundred eighty-eight thousand, five hundred forty-two".

Divisors: 1 2 443 886 149197 298394 66094271 132188542