Base | Representation |
---|---|
bin | 1111101100100… |
… | …11000000110001 |
3 | 100011202201222210 |
4 | 13312103000301 |
5 | 232202033121 |
6 | 21022122333 |
7 | 3156132453 |
oct | 766230061 |
9 | 304681883 |
10 | 131674161 |
11 | 68365823 |
12 | 381203a9 |
13 | 21383808 |
14 | 136b82d3 |
15 | b85e876 |
hex | 7d93031 |
131674161 has 16 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 83044368.
The previous prime is 131674159. The next prime is 131674177. The reversal of 131674161 is 161476131.
It is not a de Polignac number, because 131674161 - 21 = 131674159 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131674111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56950 + ... + 59216.
It is an arithmetic number, because the mean of its divisors is an integer number (11566800).
Almost surely, 2131674161 is an apocalyptic number.
It is an amenable number.
131674161 is a deficient number, since it is larger than the sum of its proper divisors (53394639).
131674161 is a wasteful number, since it uses less digits than its factorization.
131674161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3308.
The product of its digits is 3024, while the sum is 30.
The square root of 131674161 is about 11474.9362089730. The cubic root of 131674161 is about 508.7450382354.
The spelling of 131674161 in words is "one hundred thirty-one million, six hundred seventy-four thousand, one hundred sixty-one".
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