Base | Representation |
---|---|
bin | 1111101111000… |
… | …01001010111101 |
3 | 100012101000010211 |
4 | 13313201022331 |
5 | 232242304201 |
6 | 21033032421 |
7 | 3161635015 |
oct | 767411275 |
9 | 305330124 |
10 | 131994301 |
11 | 685642aa |
12 | 38255711 |
13 | 2146644a |
14 | 1375cc45 |
15 | b8c4651 |
hex | 7de12bd |
131994301 has 6 divisors (see below), whose sum is σ = 134249406. Its totient is φ = 129742200.
The previous prime is 131994257. The next prime is 131994323. The reversal of 131994301 is 103499131.
It can be written as a sum of positive squares in only one way, i.e., 77898276 + 54096025 = 8826^2 + 7355^2 .
It is not a de Polignac number, because 131994301 - 213 = 131986109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131994361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88996 + ... + 90466.
It is an arithmetic number, because the mean of its divisors is an integer number (22374901).
Almost surely, 2131994301 is an apocalyptic number.
It is an amenable number.
131994301 is a deficient number, since it is larger than the sum of its proper divisors (2255105).
131994301 is an frugal number, since it uses more digits than its factorization.
131994301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3003 (or 1532 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 31.
The square root of 131994301 is about 11488.8772732587. The cubic root of 131994301 is about 509.1570092657.
The spelling of 131994301 in words is "one hundred thirty-one million, nine hundred ninety-four thousand, three hundred one".
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