Base | Representation |
---|---|
bin | 1111101011001… |
… | …00110111111110 |
3 | 100011102010202120 |
4 | 13311210313332 |
5 | 232130011212 |
6 | 21014103410 |
7 | 3154414503 |
oct | 765446776 |
9 | 304363676 |
10 | 131485182 |
11 | 68246844 |
12 | 3804ab66 |
13 | 213187aa |
14 | 136694aa |
15 | b82388c |
hex | 7d64dfe |
131485182 has 8 divisors (see below), whose sum is σ = 262970376. Its totient is φ = 43828392.
The previous prime is 131485171. The next prime is 131485183. The reversal of 131485182 is 281584131.
It is a sphenic number, since it is the product of 3 distinct primes.
131485182 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131485183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10957093 + ... + 10957104.
It is an arithmetic number, because the mean of its divisors is an integer number (32871297).
Almost surely, 2131485182 is an apocalyptic number.
131485182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131485182 is a wasteful number, since it uses less digits than its factorization.
131485182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21914202.
The product of its digits is 7680, while the sum is 33.
The square root of 131485182 is about 11466.6988274743. The cubic root of 131485182 is about 508.5015377667.
The spelling of 131485182 in words is "one hundred thirty-one million, four hundred eighty-five thousand, one hundred eighty-two".
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