Base | Representation |
---|---|
bin | 1111100111110… |
… | …00100010011010 |
3 | 100010120121001110 |
4 | 13303320202122 |
5 | 232021311214 |
6 | 21000401150 |
7 | 3150555666 |
oct | 763704232 |
9 | 303517043 |
10 | 131041434 |
11 | 67a73407 |
12 | 37a761b6 |
13 | 211c1814 |
14 | 135918a6 |
15 | b787159 |
hex | 7cf889a |
131041434 has 16 divisors (see below), whose sum is σ = 265775040. Its totient is φ = 43065120.
The previous prime is 131041429. The next prime is 131041447. The reversal of 131041434 is 434140131.
It is a self number, because there is not a number n which added to its sum of digits gives 131041434.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153379 + ... + 154230.
It is an arithmetic number, because the mean of its divisors is an integer number (16610940).
Almost surely, 2131041434 is an apocalyptic number.
131041434 is an abundant number, since it is smaller than the sum of its proper divisors (134733606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131041434 is a wasteful number, since it uses less digits than its factorization.
131041434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307685.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 131041434 is about 11447.3330518510. Note that the first 3 decimals coincide. The cubic root of 131041434 is about 507.9288474756.
Adding to 131041434 its reverse (434140131), we get a palindrome (565181565).
The spelling of 131041434 in words is "one hundred thirty-one million, forty-one thousand, four hundred thirty-four".
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