Base | Representation |
---|---|
bin | 1011110010010… |
… | …00011111101001 |
3 | 20220000202122121 |
4 | 11321020133221 |
5 | 200302104311 |
6 | 13450551241 |
7 | 2310215362 |
oct | 571103751 |
9 | 226022577 |
10 | 98863081 |
11 | 50895329 |
12 | 29138521 |
13 | 17636185 |
14 | d1b6b69 |
15 | 8a2cb71 |
hex | 5e487e9 |
98863081 has 2 divisors, whose sum is σ = 98863082. Its totient is φ = 98863080.
The previous prime is 98863033. The next prime is 98863087. The reversal of 98863081 is 18036889.
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., 93026025 + 5837056 = 9645^2 + 2416^2 .
It is a cyclic number.
It is not a de Polignac number, because 98863081 - 215 = 98830313 is a prime.
It is a super-2 number, since 2×988630812 = 19547817569625122, which contains 22 as substring.
It is equal to p5699770 and since 98863081 and 5699770 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (98863087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49431540 + 49431541.
It is an arithmetic number, because the mean of its divisors is an integer number (49431541).
Almost surely, 298863081 is an apocalyptic number.
98863081 is the 6289-th centered pentagonal number.
It is an amenable number.
98863081 is a deficient number, since it is larger than the sum of its proper divisors (1).
98863081 is an equidigital number, since it uses as much as digits as its factorization.
98863081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 98863081 is about 9942.9915518419. The cubic root of 98863081 is about 462.3931378141.
The spelling of 98863081 in words is "ninety-eight million, eight hundred sixty-three thousand, eighty-one".
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