Base | Representation |
---|---|
bin | 1111101001111… |
… | …01100110100101 |
3 | 100011002222002220 |
4 | 13310331212211 |
5 | 232104334300 |
6 | 21010422553 |
7 | 3153144516 |
oct | 764754645 |
9 | 304088086 |
10 | 131324325 |
11 | 68146a00 |
12 | 37b91a59 |
13 | 21290502 |
14 | 13626a0d |
15 | b7e0da0 |
hex | 7d3d9a5 |
131324325 has 72 divisors (see below), whose sum is σ = 247380000. Its totient is φ = 61353600.
The previous prime is 131324321. The next prime is 131324363. The reversal of 131324325 is 523423131.
It is not a de Polignac number, because 131324325 - 22 = 131324321 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 131324295 and 131324304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131324321) 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 71 ways as a sum of consecutive naturals, for example, 262926 + ... + 263424.
Almost surely, 2131324325 is an apocalyptic number.
131324325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131324325 is a deficient number, since it is larger than the sum of its proper divisors (116055675).
131324325 is a wasteful number, since it uses less digits than its factorization.
131324325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 563 (or 547 counting only the distinct ones).
The product of its digits is 2160, while the sum is 24.
The square root of 131324325 is about 11459.6825872273. The cubic root of 131324325 is about 508.2940887616.
Adding to 131324325 its reverse (523423131), we get a palindrome (654747456).
The spelling of 131324325 in words is "one hundred thirty-one million, three hundred twenty-four thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.114 sec. • engine limits •