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132528889 = 1721136947
BaseRepresentation
bin1111110011000…
…11101011111001
3100020101011110101
413321203223321
5232411411024
621052315401
73166322413
oct771435371
9306334411
10132528889
1168899a09
1238472b61
13215c287c
141385b9b3
15b97cc44
hex7e63af9

132528889 has 8 divisors (see below), whose sum is σ = 140993568. Its totient is φ = 124138560.

The previous prime is 132528887. The next prime is 132528953. The reversal of 132528889 is 988825231.

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 132528889 - 21 = 132528887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132528887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14887 + ... + 22060.

It is an arithmetic number, because the mean of its divisors is an integer number (17624196).

Almost surely, 2132528889 is an apocalyptic number.

It is an amenable number.

132528889 is a deficient number, since it is larger than the sum of its proper divisors (8464679).

132528889 is a wasteful number, since it uses less digits than its factorization.

132528889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37175.

The product of its digits is 276480, while the sum is 46.

The square root of 132528889 is about 11512.1192228017. The cubic root of 132528889 is about 509.8434595814.

The spelling of 132528889 in words is "one hundred thirty-two million, five hundred twenty-eight thousand, eight hundred eighty-nine".

Divisors: 1 17 211 3587 36947 628099 7795817 132528889