Base | Representation |
---|---|
bin | 1011110001101… |
… | …10110111010111 |
3 | 20212220002121011 |
4 | 11320312313113 |
5 | 200242301441 |
6 | 13445233051 |
7 | 2306465014 |
oct | 570666727 |
9 | 225802534 |
10 | 98790871 |
11 | 50846053 |
12 | 29102787 |
13 | 1760c34a |
14 | d19870b |
15 | 8a16581 |
hex | 5e36dd7 |
98790871 has 2 divisors, whose sum is σ = 98790872. Its totient is φ = 98790870.
The previous prime is 98790869. The next prime is 98790919. The reversal of 98790871 is 17809789.
It is a weak prime.
It is an emirp because it is prime and its reverse (17809789) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 98790871 - 21 = 98790869 is a prime.
Together with 98790869, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (98790841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49395435 + 49395436.
It is an arithmetic number, because the mean of its divisors is an integer number (49395436).
Almost surely, 298790871 is an apocalyptic number.
98790871 is a deficient number, since it is larger than the sum of its proper divisors (1).
98790871 is an equidigital number, since it uses as much as digits as its factorization.
98790871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 254016, while the sum is 49.
The square root of 98790871 is about 9939.3596876258. The cubic root of 98790871 is about 462.2805324455.
The spelling of 98790871 in words is "ninety-eight million, seven hundred ninety thousand, eight hundred seventy-one".
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