Base | Representation |
---|---|
bin | 1111100111110… |
… | …10100101101010 |
3 | 100010121000120120 |
4 | 13303322211222 |
5 | 232022043314 |
6 | 21000504110 |
7 | 3150622326 |
oct | 763724552 |
9 | 303530516 |
10 | 131049834 |
11 | 67a79753 |
12 | 37a7b036 |
13 | 211c55a6 |
14 | 13594986 |
15 | b7898a9 |
hex | 7cfa96a |
131049834 has 16 divisors (see below), whose sum is σ = 270554880. Its totient is φ = 42274080.
The previous prime is 131049833. The next prime is 131049839. The reversal of 131049834 is 438940131.
It is a junction number, because it is equal to n+sod(n) for n = 131049795 and 131049804.
It is not an unprimeable number, because it can be changed into a prime (131049833) 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 7 ways as a sum of consecutive naturals, for example, 352099 + ... + 352470.
It is an arithmetic number, because the mean of its divisors is an integer number (16909680).
Almost surely, 2131049834 is an apocalyptic number.
131049834 is an abundant number, since it is smaller than the sum of its proper divisors (139505046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131049834 is a wasteful number, since it uses less digits than its factorization.
131049834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 704605.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 131049834 is about 11447.6999436568. The cubic root of 131049834 is about 507.9397003054.
Adding to 131049834 its reverse (438940131), we get a palindrome (569989965).
The spelling of 131049834 in words is "one hundred thirty-one million, forty-nine thousand, eight hundred thirty-four".
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