Base | Representation |
---|---|
bin | 1011111010110… |
… | …01110101011111 |
3 | 20222010122110111 |
4 | 11331121311133 |
5 | 201043421222 |
6 | 13530550451 |
7 | 2322560500 |
oct | 575316537 |
9 | 228118414 |
10 | 99982687 |
11 | 5148a522 |
12 | 29598427 |
13 | 1793896c |
14 | d3c8ba7 |
15 | 8b9e777 |
hex | 5f59d5f |
99982687 has 12 divisors (see below), whose sum is σ = 117085296. Its totient is φ = 85125600.
The previous prime is 99982669. The next prime is 99982703. The reversal of 99982687 is 78628999.
It is a de Polignac number, because none of the positive numbers 2k-99982687 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99980687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643 + ... + 14155.
It is an arithmetic number, because the mean of its divisors is an integer number (9757108).
Almost surely, 299982687 is an apocalyptic number.
99982687 is a deficient number, since it is larger than the sum of its proper divisors (17102609).
99982687 is a wasteful number, since it uses less digits than its factorization.
99982687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13678 (or 13671 counting only the distinct ones).
The product of its digits is 3919104, while the sum is 58.
The square root of 99982687 is about 9999.1343125293. The cubic root of 99982687 is about 464.1320952061.
The spelling of 99982687 in words is "ninety-nine million, nine hundred eighty-two thousand, six hundred eighty-seven".
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