Base | Representation |
---|---|
bin | 1111101100100… |
… | …10110001110001 |
3 | 100011202200200020 |
4 | 13312102301301 |
5 | 232202020301 |
6 | 21022114053 |
7 | 3156126612 |
oct | 766226161 |
9 | 304680606 |
10 | 131673201 |
11 | 68365030 |
12 | 3811b929 |
13 | 2138324a |
14 | 136b7c09 |
15 | b85e436 |
hex | 7d92c71 |
131673201 has 8 divisors (see below), whose sum is σ = 191524704. Its totient is φ = 79801920.
The previous prime is 131673187. The next prime is 131673203. The reversal of 131673201 is 102376131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131673201 - 25 = 131673169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131673203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995016 + ... + 1995081.
It is an arithmetic number, because the mean of its divisors is an integer number (23940588).
Almost surely, 2131673201 is an apocalyptic number.
131673201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131673201 is a deficient number, since it is larger than the sum of its proper divisors (59851503).
131673201 is a wasteful number, since it uses less digits than its factorization.
131673201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3990111.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 131673201 is about 11474.8943785989. The cubic root of 131673201 is about 508.7438018591.
The spelling of 131673201 in words is "one hundred thirty-one million, six hundred seventy-three thousand, two hundred one".
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