Base | Representation |
---|---|
bin | 1001111010101… |
… | …01110111011101 |
3 | 12210112110010222 |
4 | 10331111313131 |
5 | 132244023323 |
6 | 12131011125 |
7 | 2030045102 |
oct | 475256735 |
9 | 183473128 |
10 | 83189213 |
11 | 42a5a318 |
12 | 23a39aa5 |
13 | 14308bb3 |
14 | b096aa9 |
15 | 74839c8 |
hex | 4f55ddd |
83189213 has 8 divisors (see below), whose sum is σ = 86392320. Its totient is φ = 80018640.
The previous prime is 83189189. The next prime is 83189221. The reversal of 83189213 is 31298138.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83189213 - 26 = 83189149 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 (83189263) 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, 2858 + ... + 13211.
It is an arithmetic number, because the mean of its divisors is an integer number (10799040).
Almost surely, 283189213 is an apocalyptic number.
It is an amenable number.
83189213 is a deficient number, since it is larger than the sum of its proper divisors (3203107).
83189213 is a wasteful number, since it uses less digits than its factorization.
83189213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16267.
The product of its digits is 10368, while the sum is 35.
The square root of 83189213 is about 9120.8120800727. The cubic root of 83189213 is about 436.5382856542.
The spelling of 83189213 in words is "eighty-three million, one hundred eighty-nine thousand, two hundred thirteen".
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