Base | Representation |
---|---|
bin | 1001111010111… |
… | …00001001000001 |
3 | 12210120202101211 |
4 | 10331130021001 |
5 | 132300334123 |
6 | 12131330121 |
7 | 2030213035 |
oct | 475341101 |
9 | 183522354 |
10 | 83214913 |
11 | 42a77661 |
12 | 23a50941 |
13 | 143177c2 |
14 | b0a21c5 |
15 | 748b40d |
hex | 4f5c241 |
83214913 has 2 divisors, whose sum is σ = 83214914. Its totient is φ = 83214912.
The previous prime is 83214907. The next prime is 83214941. The reversal of 83214913 is 31941238.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49956624 + 33258289 = 7068^2 + 5767^2 .
It is a cyclic number.
It is not a de Polignac number, because 83214913 - 217 = 83083841 is a prime.
It is not a weakly prime, because it can be changed into another prime (83214613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41607456 + 41607457.
It is an arithmetic number, because the mean of its divisors is an integer number (41607457).
Almost surely, 283214913 is an apocalyptic number.
It is an amenable number.
83214913 is a deficient number, since it is larger than the sum of its proper divisors (1).
83214913 is an equidigital number, since it uses as much as digits as its factorization.
83214913 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5184, while the sum is 31.
The square root of 83214913 is about 9122.2208370550. The cubic root of 83214913 is about 436.5832349067.
The spelling of 83214913 in words is "eighty-three million, two hundred fourteen thousand, nine hundred thirteen".
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