Base | Representation |
---|---|
bin | 1001111110011… |
… | …00111100010011 |
3 | 12211110020012012 |
4 | 10333030330103 |
5 | 132410130242 |
6 | 12145253135 |
7 | 2034146054 |
oct | 477147423 |
9 | 184406165 |
10 | 83676947 |
11 | 43262802 |
12 | 240341ab |
13 | 14449bb3 |
14 | b18272b |
15 | 752d282 |
hex | 4fccf13 |
83676947 has 2 divisors, whose sum is σ = 83676948. Its totient is φ = 83676946.
The previous prime is 83676937. The next prime is 83676949. The reversal of 83676947 is 74967638.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 83676947 - 212 = 83672851 is a prime.
Together with 83676949, it forms a pair of twin primes.
It is a Chen prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 83676895 and 83676904.
It is not a weakly prime, because it can be changed into another prime (83676949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41838473 + 41838474.
It is an arithmetic number, because the mean of its divisors is an integer number (41838474).
Almost surely, 283676947 is an apocalyptic number.
83676947 is a deficient number, since it is larger than the sum of its proper divisors (1).
83676947 is an equidigital number, since it uses as much as digits as its factorization.
83676947 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1524096, while the sum is 50.
The square root of 83676947 is about 9147.5104263401. The cubic root of 83676947 is about 437.3897574748.
The spelling of 83676947 in words is "eighty-three million, six hundred seventy-six thousand, nine hundred forty-seven".
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