Base | Representation |
---|---|
bin | 1111101010000… |
… | …10100110101000 |
3 | 100011011000012112 |
4 | 13311002212220 |
5 | 232111013213 |
6 | 21011101452 |
7 | 3153261320 |
oct | 765024650 |
9 | 304130175 |
10 | 131344808 |
11 | 68160331 |
12 | 37ba1888 |
13 | 2129992a |
14 | 13630280 |
15 | b7e6ea8 |
hex | 7d429a8 |
131344808 has 16 divisors (see below), whose sum is σ = 281453280. Its totient is φ = 56290608.
The previous prime is 131344793. The next prime is 131344859. The reversal of 131344808 is 808443131.
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 3 ways as a sum of consecutive naturals, for example, 1172666 + ... + 1172777.
It is an arithmetic number, because the mean of its divisors is an integer number (17590830).
Almost surely, 2131344808 is an apocalyptic number.
It is an amenable number.
131344808 is an abundant number, since it is smaller than the sum of its proper divisors (150108472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131344808 is a wasteful number, since it uses less digits than its factorization.
131344808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2345456 (or 2345452 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 131344808 is about 11460.5762507825. The cubic root of 131344808 is about 508.3205140426.
Adding to 131344808 its reverse (808443131), we get a palindrome (939787939).
The spelling of 131344808 in words is "one hundred thirty-one million, three hundred forty-four thousand, eight hundred eight".
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