Base | Representation |
---|---|
bin | 100010010000… |
… | …011101010101 |
3 | 121220020200001 |
4 | 202100131111 |
5 | 4244332214 |
6 | 520251301 |
7 | 136221442 |
oct | 42203525 |
9 | 17806601 |
10 | 8980309 |
11 | 5084048 |
12 | 3010b31 |
13 | 1b256c0 |
14 | 129a9c9 |
15 | bc5c74 |
hex | 890755 |
8980309 has 4 divisors (see below), whose sum is σ = 9671116. Its totient is φ = 8289504.
The previous prime is 8980289. The next prime is 8980313. The reversal of 8980309 is 9030898.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 8538084 = 665^2 + 2922^2 .
It is a cyclic number.
It is not a de Polignac number, because 8980309 - 25 = 8980277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8980319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345384 + ... + 345409.
It is an arithmetic number, because the mean of its divisors is an integer number (2417779).
Almost surely, 28980309 is an apocalyptic number.
It is an amenable number.
8980309 is a deficient number, since it is larger than the sum of its proper divisors (690807).
8980309 is a wasteful number, since it uses less digits than its factorization.
8980309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690806.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 8980309 is about 2996.7163696286. The cubic root of 8980309 is about 207.8565717936.
The spelling of 8980309 in words is "eight million, nine hundred eighty thousand, three hundred nine".
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