Base | Representation |
---|---|
bin | 1010001000010… |
… | …01001010010111 |
3 | 12220220000220220 |
4 | 11010021022113 |
5 | 133223102213 |
6 | 12233125423 |
7 | 2051152212 |
oct | 504111227 |
9 | 186800826 |
10 | 84972183 |
11 | 43a6794a |
12 | 24559873 |
13 | 147b15ca |
14 | b3dc779 |
15 | 76d6e23 |
hex | 5109297 |
84972183 has 8 divisors (see below), whose sum is σ = 113342448. Its totient is φ = 56625024.
The previous prime is 84972113. The next prime is 84972203. The reversal of 84972183 is 38127948.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 84972183 - 212 = 84968087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84972113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6591 + ... + 14607.
It is an arithmetic number, because the mean of its divisors is an integer number (14167806).
Almost surely, 284972183 is an apocalyptic number.
84972183 is a deficient number, since it is larger than the sum of its proper divisors (28370265).
84972183 is a wasteful number, since it uses less digits than its factorization.
84972183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11553.
The product of its digits is 96768, while the sum is 42.
The square root of 84972183 is about 9218.0357452117. The cubic root of 84972183 is about 439.6349986059.
The spelling of 84972183 in words is "eighty-four million, nine hundred seventy-two thousand, one hundred eighty-three".
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