Base | Representation |
---|---|
bin | 1111101101110… |
… | …00100001011110 |
3 | 100012001112202100 |
4 | 13312320201132 |
5 | 232221442211 |
6 | 21025305530 |
7 | 3160342425 |
oct | 766704136 |
9 | 305045670 |
10 | 131827806 |
11 | 68460200 |
12 | 381952a6 |
13 | 21408726 |
14 | 137182bc |
15 | b890156 |
hex | 7db885e |
131827806 has 36 divisors (see below), whose sum is σ = 313958736. Its totient is φ = 39947160.
The previous prime is 131827799. The next prime is 131827807. The reversal of 131827806 is 608728131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131827807) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28086 + ... + 32441.
It is an arithmetic number, because the mean of its divisors is an integer number (8721076).
Almost surely, 2131827806 is an apocalyptic number.
131827806 is an abundant number, since it is smaller than the sum of its proper divisors (182130930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131827806 is a wasteful number, since it uses less digits than its factorization.
131827806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60557 (or 60543 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 131827806 is about 11481.6290655987. The cubic root of 131827806 is about 508.9428389975.
The spelling of 131827806 in words is "one hundred thirty-one million, eight hundred twenty-seven thousand, eight hundred six".
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