Base | Representation |
---|---|
bin | 1111110100010… |
… | …10000000110111 |
3 | 100020200010210211 |
4 | 13322022000313 |
5 | 232431422004 |
6 | 21055530251 |
7 | 3200545204 |
oct | 772120067 |
9 | 306603724 |
10 | 132685879 |
11 | 68996957 |
12 | 38529987 |
13 | 21649171 |
14 | 1389ccab |
15 | b9ae504 |
hex | 7e8a037 |
132685879 has 4 divisors (see below), whose sum is σ = 133214760. Its totient is φ = 132157000.
The previous prime is 132685877. The next prime is 132685909. The reversal of 132685879 is 978586231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978586231 = 7 ⋅139798033.
It is a cyclic number.
It is not a de Polignac number, because 132685879 - 21 = 132685877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132685877) 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, 264064 + ... + 264565.
It is an arithmetic number, because the mean of its divisors is an integer number (33303690).
Almost surely, 2132685879 is an apocalyptic number.
132685879 is a deficient number, since it is larger than the sum of its proper divisors (528881).
132685879 is an equidigital number, since it uses as much as digits as its factorization.
132685879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528880.
The product of its digits is 725760, while the sum is 49.
The square root of 132685879 is about 11518.9356713196. The cubic root of 132685879 is about 510.0446955574.
The spelling of 132685879 in words is "one hundred thirty-two million, six hundred eighty-five thousand, eight hundred seventy-nine".
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