Base | Representation |
---|---|
bin | 10011000010000010110101 |
3 | 100101110202211 |
4 | 103002002311 |
5 | 2234122414 |
6 | 254533421 |
7 | 60256336 |
oct | 23020265 |
9 | 10343684 |
10 | 4989109 |
11 | 28a8434 |
12 | 1807271 |
13 | 1058b48 |
14 | 93c28d |
15 | 6883c4 |
hex | 4c20b5 |
4989109 has 8 divisors (see below), whose sum is σ = 5453568. Its totient is φ = 4543680.
The previous prime is 4989107. The next prime is 4989113. The reversal of 4989109 is 9019894.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4989109 - 21 = 4989107 is a prime.
It is a super-2 number, since 2×49891092 = 49782417227762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4989107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 5260.
It is an arithmetic number, because the mean of its divisors is an integer number (681696).
Almost surely, 24989109 is an apocalyptic number.
It is an amenable number.
4989109 is a deficient number, since it is larger than the sum of its proper divisors (464459).
4989109 is a wasteful number, since it uses less digits than its factorization.
4989109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9515.
The product of its (nonzero) digits is 23328, while the sum is 40.
The square root of 4989109 is about 2233.6313482757. The cubic root of 4989109 is about 170.8733487596.
The spelling of 4989109 in words is "four million, nine hundred eighty-nine thousand, one hundred nine".
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