Base | Representation |
---|---|
bin | 1111101010110… |
… | …11110111100110 |
3 | 100011100021011100 |
4 | 13311123313212 |
5 | 232122321134 |
6 | 21013220530 |
7 | 3154202115 |
oct | 765336746 |
9 | 304307140 |
10 | 131448294 |
11 | 6822105a |
12 | 38031746 |
13 | 21304a73 |
14 | 13659c7c |
15 | b817999 |
hex | 7d5bde6 |
131448294 has 12 divisors (see below), whose sum is σ = 284804676. Its totient is φ = 43816092.
The previous prime is 131448287. The next prime is 131448307. The reversal of 131448294 is 492844131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 3651324 + ... + 3651359.
It is an arithmetic number, because the mean of its divisors is an integer number (23733723).
Almost surely, 2131448294 is an apocalyptic number.
131448294 is an abundant number, since it is smaller than the sum of its proper divisors (153356382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131448294 is a wasteful number, since it uses less digits than its factorization.
131448294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7302691 (or 7302688 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 131448294 is about 11465.0902307832. The cubic root of 131448294 is about 508.4539801665.
The spelling of 131448294 in words is "one hundred thirty-one million, four hundred forty-eight thousand, two hundred ninety-four".
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