Base | Representation |
---|---|
bin | 1001100101010… |
… | …01001100110001 |
3 | 12121020222020110 |
4 | 10302221030301 |
5 | 131034303232 |
6 | 11550531533 |
7 | 1664155032 |
oct | 462511461 |
9 | 177228213 |
10 | 80384817 |
11 | 41414337 |
12 | 22b06ba9 |
13 | 138665a6 |
14 | a966a89 |
15 | 70ccacc |
hex | 4ca9331 |
80384817 has 4 divisors (see below), whose sum is σ = 107179760. Its totient is φ = 53589876.
The previous prime is 80384813. The next prime is 80384819. The reversal of 80384817 is 71848308.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 80384817 - 22 = 80384813 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80384813) 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, 13397467 + ... + 13397472.
It is an arithmetic number, because the mean of its divisors is an integer number (26794940).
Almost surely, 280384817 is an apocalyptic number.
It is an amenable number.
80384817 is a deficient number, since it is larger than the sum of its proper divisors (26794943).
80384817 is a wasteful number, since it uses less digits than its factorization.
80384817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26794942.
The product of its (nonzero) digits is 43008, while the sum is 39.
The square root of 80384817 is about 8965.7580270717. The cubic root of 80384817 is about 431.5767190997.
The spelling of 80384817 in words is "eighty million, three hundred eighty-four thousand, eight hundred seventeen".
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