Base | Representation |
---|---|
bin | 1111110011000… |
… | …11100101110001 |
3 | 100020101010220212 |
4 | 13321203211301 |
5 | 232411402442 |
6 | 21052313505 |
7 | 3166321313 |
oct | 771434561 |
9 | 306333825 |
10 | 132528497 |
11 | 68899692 |
12 | 38472895 |
13 | 215c263a |
14 | 1385b7b3 |
15 | b97ca82 |
hex | 7e63971 |
132528497 has 4 divisors (see below), whose sum is σ = 133418100. Its totient is φ = 131638896.
The previous prime is 132528373. The next prime is 132528509. The reversal of 132528497 is 794825231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794825231 = 37 ⋅21481763.
It can be written as a sum of positive squares in 2 ways, for example, as 22886656 + 109641841 = 4784^2 + 10471^2 .
It is a cyclic number.
It is not a de Polignac number, because 132528497 - 28 = 132528241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (132528197) 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, 444578 + ... + 444875.
It is an arithmetic number, because the mean of its divisors is an integer number (33354525).
Almost surely, 2132528497 is an apocalyptic number.
It is an amenable number.
132528497 is a deficient number, since it is larger than the sum of its proper divisors (889603).
132528497 is an equidigital number, since it uses as much as digits as its factorization.
132528497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 889602.
The product of its digits is 120960, while the sum is 41.
The square root of 132528497 is about 11512.1021972531. The cubic root of 132528497 is about 509.8429569014.
The spelling of 132528497 in words is "one hundred thirty-two million, five hundred twenty-eight thousand, four hundred ninety-seven".
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