Base | Representation |
---|---|
bin | 1000010101010… |
… | …00111111010001 |
3 | 11212112012021222 |
4 | 10022220333101 |
5 | 120343220233 |
6 | 10534054425 |
7 | 1506060551 |
oct | 412507721 |
9 | 155465258 |
10 | 69898193 |
11 | 36501602 |
12 | 1b4aa415 |
13 | 116343a1 |
14 | 93d7161 |
15 | 620a898 |
hex | 42a8fd1 |
69898193 has 2 divisors, whose sum is σ = 69898194. Its totient is φ = 69898192.
The previous prime is 69898189. The next prime is 69898223. The reversal of 69898193 is 39189896.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 68029504 + 1868689 = 8248^2 + 1367^2 .
It is a cyclic number.
It is not a de Polignac number, because 69898193 - 22 = 69898189 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (69898123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34949096 + 34949097.
It is an arithmetic number, because the mean of its divisors is an integer number (34949097).
Almost surely, 269898193 is an apocalyptic number.
It is an amenable number.
69898193 is a deficient number, since it is larger than the sum of its proper divisors (1).
69898193 is an equidigital number, since it uses as much as digits as its factorization.
69898193 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 839808, while the sum is 53.
The square root of 69898193 is about 8360.5139196104. The cubic root of 69898193 is about 411.9286350926.
The spelling of 69898193 in words is "sixty-nine million, eight hundred ninety-eight thousand, one hundred ninety-three".
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