Base | Representation |
---|---|
bin | 100010010010… |
… | …011000110101 |
3 | 121220122111210 |
4 | 202102120311 |
5 | 4300110323 |
6 | 520352033 |
7 | 136253463 |
oct | 42223065 |
9 | 17818453 |
10 | 8988213 |
11 | 5089a83 |
12 | 3015619 |
13 | 1b29190 |
14 | 129d833 |
15 | bc8293 |
hex | 892635 |
8988213 has 8 divisors (see below), whose sum is σ = 12906208. Its totient is φ = 5531184.
The previous prime is 8988209. The next prime is 8988227. The reversal of 8988213 is 3128898.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8988213 - 22 = 8988209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 230467 = 8988213 / (8 + 9 + 8 + 8 + 2 + 1 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8988253) 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, 115195 + ... + 115272.
It is an arithmetic number, because the mean of its divisors is an integer number (1613276).
Almost surely, 28988213 is an apocalyptic number.
It is an amenable number.
8988213 is a deficient number, since it is larger than the sum of its proper divisors (3917995).
8988213 is a wasteful number, since it uses less digits than its factorization.
8988213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230483.
The product of its digits is 27648, while the sum is 39.
The square root of 8988213 is about 2998.0348563684. The cubic root of 8988213 is about 207.9175354190.
The spelling of 8988213 in words is "eight million, nine hundred eighty-eight thousand, two hundred thirteen".
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