Base | Representation |
---|---|
bin | 1000010001011… |
… | …00110101111101 |
3 | 11211120100202122 |
4 | 10020230311331 |
5 | 120230432233 |
6 | 10515132325 |
7 | 1501542212 |
oct | 410546575 |
9 | 154510678 |
10 | 69389693 |
11 | 3619455a |
12 | 1b2a40a5 |
13 | 114b6ab9 |
14 | 9303b09 |
15 | 6159d98 |
hex | 422cd7d |
69389693 has 2 divisors, whose sum is σ = 69389694. Its totient is φ = 69389692.
The previous prime is 69389681. The next prime is 69389701. The reversal of 69389693 is 39698396.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 68923204 + 466489 = 8302^2 + 683^2 .
It is a cyclic number.
It is not a de Polignac number, because 69389693 - 212 = 69385597 is a 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 (69389603) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34694846 + 34694847.
It is an arithmetic number, because the mean of its divisors is an integer number (34694847).
Almost surely, 269389693 is an apocalyptic number.
It is an amenable number.
69389693 is a deficient number, since it is larger than the sum of its proper divisors (1).
69389693 is an equidigital number, since it uses as much as digits as its factorization.
69389693 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1889568, while the sum is 53.
The square root of 69389693 is about 8330.0475989036. The cubic root of 69389693 is about 410.9272943814.
The spelling of 69389693 in words is "sixty-nine million, three hundred eighty-nine thousand, six hundred ninety-three".
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