Base | Representation |
---|---|
bin | 1111101000100… |
… | …10011100000110 |
3 | 100010202222120210 |
4 | 13310102130012 |
5 | 232033210101 |
6 | 21002540250 |
7 | 3151510206 |
oct | 764223406 |
9 | 303688523 |
10 | 131147526 |
11 | 68036094 |
12 | 37b07686 |
13 | 2122abb3 |
14 | 135bc406 |
15 | b7a87d6 |
hex | 7d12706 |
131147526 has 16 divisors (see below), whose sum is σ = 262513728. Its totient is φ = 43679400.
The previous prime is 131147507. The next prime is 131147539. The reversal of 131147526 is 625741131.
It is a junction number, because it is equal to n+sod(n) for n = 131147493 and 131147502.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720 + ... + 16211.
It is an arithmetic number, because the mean of its divisors is an integer number (16407108).
Almost surely, 2131147526 is an apocalyptic number.
131147526 is an abundant number, since it is smaller than the sum of its proper divisors (131366202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131147526 is a wasteful number, since it uses less digits than its factorization.
131147526 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18227.
The product of its digits is 5040, while the sum is 30.
The square root of 131147526 is about 11451.9660320837. The cubic root of 131147526 is about 508.0658846699.
Adding to 131147526 its reverse (625741131), we get a palindrome (756888657).
The spelling of 131147526 in words is "one hundred thirty-one million, one hundred forty-seven thousand, five hundred twenty-six".
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