Base | Representation |
---|---|
bin | 1111110101011… |
… | …11101100100001 |
3 | 100020221222112100 |
4 | 13322233230201 |
5 | 233001341400 |
6 | 21103121013 |
7 | 3202060200 |
oct | 772575441 |
9 | 306858470 |
10 | 132840225 |
11 | 68a91911 |
12 | 385a3169 |
13 | 216a14ab |
14 | 138dd237 |
15 | b9e0100 |
hex | 7eafb21 |
132840225 has 54 divisors (see below), whose sum is σ = 276800550. Its totient is φ = 60721920.
The previous prime is 132840223. The next prime is 132840241. The reversal of 132840225 is 522048231.
It can be written as a sum of positive squares in 3 ways, for example, as 15421329 + 117418896 = 3927^2 + 10836^2 .
It is not a de Polignac number, because 132840225 - 21 = 132840223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (132840223) 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 53 ways as a sum of consecutive naturals, for example, 5001 + ... + 17049.
Almost surely, 2132840225 is an apocalyptic number.
132840225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
132840225 is an abundant number, since it is smaller than the sum of its proper divisors (143960325).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132840225 is a wasteful number, since it uses less digits than its factorization.
132840225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12079 (or 12064 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 132840225 is about 11525.6333882351. The cubic root of 132840225 is about 510.2423876657.
Adding to 132840225 its reverse (522048231), we get a palindrome (654888456).
The spelling of 132840225 in words is "one hundred thirty-two million, eight hundred forty thousand, two hundred twenty-five".
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