Base | Representation |
---|---|
bin | 1001100101010… |
… | …01000110000011 |
3 | 12121020221122112 |
4 | 10302221012003 |
5 | 131034300022 |
6 | 11550525535 |
7 | 1664153546 |
oct | 462510603 |
9 | 177227575 |
10 | 80384387 |
11 | 41413a86 |
12 | 22b068ab |
13 | 13866335 |
14 | a96685d |
15 | 70cc8e2 |
hex | 4ca9183 |
80384387 has 4 divisors (see below), whose sum is σ = 82556976. Its totient is φ = 78211800.
The previous prime is 80384363. The next prime is 80384399. The reversal of 80384387 is 78348308.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80384387 - 26 = 80384323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80384327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086239 + ... + 1086312.
It is an arithmetic number, because the mean of its divisors is an integer number (20639244).
Almost surely, 280384387 is an apocalyptic number.
80384387 is a deficient number, since it is larger than the sum of its proper divisors (2172589).
80384387 is a wasteful number, since it uses less digits than its factorization.
80384387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2172588.
The product of its (nonzero) digits is 129024, while the sum is 41.
The square root of 80384387 is about 8965.7340469144. The cubic root of 80384387 is about 431.5759495583.
The spelling of 80384387 in words is "eighty million, three hundred eighty-four thousand, three hundred eighty-seven".
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