Base | Representation |
---|---|
bin | 11111111011001101011101 |
3 | 120202012002120 |
4 | 133323031131 |
5 | 4120301424 |
6 | 455213153 |
7 | 131064246 |
oct | 37731535 |
9 | 16665076 |
10 | 8368989 |
11 | 47a6822 |
12 | 29771b9 |
13 | 1970385 |
14 | 117bccd |
15 | b04a79 |
hex | 7fb35d |
8368989 has 8 divisors (see below), whose sum is σ = 11172672. Its totient is φ = 5572320.
The previous prime is 8368979. The next prime is 8368991. The reversal of 8368989 is 9898638.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8368989 - 25 = 8368957 is a prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8368979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529 + ... + 4809.
It is an arithmetic number, because the mean of its divisors is an integer number (1396584).
Almost surely, 28368989 is an apocalyptic number.
It is an amenable number.
8368989 is a deficient number, since it is larger than the sum of its proper divisors (2803683).
8368989 is a wasteful number, since it uses less digits than its factorization.
8368989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3507.
The product of its digits is 746496, while the sum is 51.
The square root of 8368989 is about 2892.9204966608. The cubic root of 8368989 is about 203.0288083878.
The spelling of 8368989 in words is "eight million, three hundred sixty-eight thousand, nine hundred eighty-nine".
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