Base | Representation |
---|---|
bin | 100001111111… |
… | …000100110011 |
3 | 121202121222221 |
4 | 201333010303 |
5 | 4240042412 |
6 | 514541511 |
7 | 135504034 |
oct | 41770463 |
9 | 17677887 |
10 | 8909107 |
11 | 50355a9 |
12 | 2b97897 |
13 | 1acc17c |
14 | 127ca8b |
15 | baeb07 |
hex | 87f133 |
8909107 has 4 divisors (see below), whose sum is σ = 8916840. Its totient is φ = 8901376.
The previous prime is 8909101. The next prime is 8909143. The reversal of 8909107 is 7019098.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7019098 = 2 ⋅3509549.
It is a cyclic number.
It is not a de Polignac number, because 8909107 - 23 = 8909099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8909101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753 + ... + 4570.
It is an arithmetic number, because the mean of its divisors is an integer number (2229210).
Almost surely, 28909107 is an apocalyptic number.
8909107 is a deficient number, since it is larger than the sum of its proper divisors (7733).
8909107 is a wasteful number, since it uses less digits than its factorization.
8909107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7732.
The product of its (nonzero) digits is 4536, while the sum is 34.
The square root of 8909107 is about 2984.8127244435. The cubic root of 8909107 is about 207.3057707341.
The spelling of 8909107 in words is "eight million, nine hundred nine thousand, one hundred seven".
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