Base | Representation |
---|---|
bin | 1001111010100… |
… | …11111000100101 |
3 | 12210112001000020 |
4 | 10331103320211 |
5 | 132243243333 |
6 | 12130505353 |
7 | 2030012322 |
oct | 475237045 |
9 | 183461006 |
10 | 83181093 |
11 | 42a54206 |
12 | 23a35259 |
13 | 143052a8 |
14 | b093b49 |
15 | 74813b3 |
hex | 4f53e25 |
83181093 has 8 divisors (see below), whose sum is σ = 110979456. Its totient is φ = 55418400.
The previous prime is 83181047. The next prime is 83181097. The reversal of 83181093 is 39018138.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83181093 - 217 = 83050021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83181097) 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, 2893 + ... + 13218.
It is an arithmetic number, because the mean of its divisors is an integer number (13872432).
Almost surely, 283181093 is an apocalyptic number.
It is an amenable number.
83181093 is a deficient number, since it is larger than the sum of its proper divisors (27798363).
83181093 is a wasteful number, since it uses less digits than its factorization.
83181093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17835.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 83181093 is about 9120.3669334079. The cubic root of 83181093 is about 436.5240818646.
The spelling of 83181093 in words is "eighty-three million, one hundred eighty-one thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •