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132871521 = 3179247433
BaseRepresentation
bin1111110101101…
…11010101100001
3100021000120110110
413322313111201
5233003342041
621103521533
73202250346
oct772672541
9307016413
10132871521
1169003382
12385b92a9
13216b2803
141390a7cd
15b9e9516
hex7eb7561

132871521 has 8 divisors (see below), whose sum is σ = 178152480. Its totient is φ = 88085792.

The previous prime is 132871517. The next prime is 132871523. The reversal of 132871521 is 125178231.

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

It is a cyclic number.

It is not a de Polignac number, because 132871521 - 22 = 132871517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132871523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123180 + ... + 124253.

It is an arithmetic number, because the mean of its divisors is an integer number (22269060).

Almost surely, 2132871521 is an apocalyptic number.

It is an amenable number.

132871521 is a deficient number, since it is larger than the sum of its proper divisors (45280959).

132871521 is a wasteful number, since it uses less digits than its factorization.

132871521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247615.

The product of its digits is 3360, while the sum is 30.

The square root of 132871521 is about 11526.9909777010. The cubic root of 132871521 is about 510.2824540736.

The spelling of 132871521 in words is "one hundred thirty-two million, eight hundred seventy-one thousand, five hundred twenty-one".

Divisors: 1 3 179 537 247433 742299 44290507 132871521