Base | Representation |
---|---|
bin | 111011100010100… |
… | …100001100000010 |
3 | 2120121122020022222 |
4 | 323202210030002 |
5 | 4021210314431 |
6 | 243042131042 |
7 | 33516440033 |
oct | 7342441402 |
9 | 2517566288 |
10 | 998916866 |
11 | 472954032 |
12 | 23a650a82 |
13 | 12bc4b18c |
14 | 96948a8a |
15 | 5ca6a57b |
hex | 3b8a4302 |
998916866 has 32 divisors (see below), whose sum is σ = 1566504576. Its totient is φ = 477360000.
The previous prime is 998916859. The next prime is 998916871. The reversal of 998916866 is 668619899.
998916866 is a strobogrammatic number because it is the same when read upside-down.
It is a junction number, because it is equal to n+sod(n) for n = 998916799 and 998916808.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852461 + ... + 853631.
It is an arithmetic number, because the mean of its divisors is an integer number (48953268).
Almost surely, 2998916866 is an apocalyptic number.
998916866 is a deficient number, since it is larger than the sum of its proper divisors (567587710).
998916866 is a wasteful number, since it uses less digits than its factorization.
998916866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1418.
The product of its digits is 10077696, while the sum is 62.
The square root of 998916866 is about 31605.6461095166. The cubic root of 998916866 is about 999.6388249016.
The spelling of 998916866 in words is "nine hundred ninety-eight million, nine hundred sixteen thousand, eight hundred sixty-six".
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