Base | Representation |
---|---|
bin | 1001111001100… |
… | …01110001101111 |
3 | 12210020221101002 |
4 | 10330301301233 |
5 | 132224311031 |
6 | 12123510515 |
7 | 2025561116 |
oct | 474616157 |
9 | 183227332 |
10 | 83041391 |
11 | 42969254 |
12 | 2398843b |
13 | 14286824 |
14 | b058c7d |
15 | 7454ccb |
hex | 4f31c6f |
83041391 has 2 divisors, whose sum is σ = 83041392. Its totient is φ = 83041390.
The previous prime is 83041373. The next prime is 83041397. The reversal of 83041391 is 19314038.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 83041391 - 210 = 83040367 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83041397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41520695 + 41520696.
It is an arithmetic number, because the mean of its divisors is an integer number (41520696).
Almost surely, 283041391 is an apocalyptic number.
83041391 is a deficient number, since it is larger than the sum of its proper divisors (1).
83041391 is an equidigital number, since it uses as much as digits as its factorization.
83041391 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 83041391 is about 9112.7049222500. The cubic root of 83041391 is about 436.2795653233.
The spelling of 83041391 in words is "eighty-three million, forty-one thousand, three hundred ninety-one".
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