Base | Representation |
---|---|
bin | 10011000100101100110101 |
3 | 100102000200210 |
4 | 103010230311 |
5 | 2234444424 |
6 | 255100033 |
7 | 60333141 |
oct | 23045465 |
9 | 10360623 |
10 | 4999989 |
11 | 2905625 |
12 | 1811619 |
13 | 1060a97 |
14 | 942221 |
15 | 68b729 |
hex | 4c4b35 |
4999989 has 24 divisors (see below), whose sum is σ = 7269760. Its totient is φ = 3055104.
The previous prime is 4999963. The next prime is 4999999. The reversal of 4999989 is 9899994.
It is not a de Polignac number, because 4999989 - 25 = 4999957 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4999949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63252 + ... + 63330.
Almost surely, 24999989 is an apocalyptic number.
It is an amenable number.
4999989 is a deficient number, since it is larger than the sum of its proper divisors (2269771).
4999989 is a wasteful number, since it uses less digits than its factorization.
4999989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189 (or 172 counting only the distinct ones).
The product of its digits is 1889568, while the sum is 57.
The square root of 4999989 is about 2236.0655178237. The cubic root of 4999989 is about 170.9974692693.
The spelling of 4999989 in words is "four million, nine hundred ninety-nine thousand, nine hundred eighty-nine".
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