Base | Representation |
---|---|
bin | 1011110011100… |
… | …00011110110101 |
3 | 20220100002022211 |
4 | 11321300132311 |
5 | 200322324434 |
6 | 13454253421 |
7 | 2311500034 |
oct | 571603665 |
9 | 226302284 |
10 | 99026869 |
11 | 50997397 |
12 | 291b7271 |
13 | 176928a6 |
14 | d21a71b |
15 | 8a61464 |
hex | 5e707b5 |
99026869 has 2 divisors, whose sum is σ = 99026870. Its totient is φ = 99026868.
The previous prime is 99026867. The next prime is 99026881. The reversal of 99026869 is 96862099.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 69105969 + 29920900 = 8313^2 + 5470^2 .
It is an emirp because it is prime and its reverse (96862099) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 99026869 - 21 = 99026867 is a prime.
It is a super-2 number, since 2×990268692 = 19612641567886322, which contains 22 as substring.
Together with 99026867, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99026861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49513434 + 49513435.
It is an arithmetic number, because the mean of its divisors is an integer number (49513435).
Almost surely, 299026869 is an apocalyptic number.
It is an amenable number.
99026869 is a deficient number, since it is larger than the sum of its proper divisors (1).
99026869 is an equidigital number, since it uses as much as digits as its factorization.
99026869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 419904, while the sum is 49.
The square root of 99026869 is about 9951.2244975179. The cubic root of 99026869 is about 462.6483482238.
The spelling of 99026869 in words is "ninety-nine million, twenty-six thousand, eight hundred sixty-nine".
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