Base | Representation |
---|---|
bin | 1001100010011… |
… | …00001110100101 |
3 | 12120112121212022 |
4 | 10301030032211 |
5 | 130440112010 |
6 | 11534432525 |
7 | 1661010554 |
oct | 461141645 |
9 | 176477768 |
10 | 80004005 |
11 | 41184214 |
12 | 22962745 |
13 | 13762163 |
14 | a8a7d9b |
15 | 7054d55 |
hex | 4c4c3a5 |
80004005 has 8 divisors (see below), whose sum is σ = 100179072. Its totient is φ = 61220368.
The previous prime is 80003999. The next prime is 80004013. The reversal of 80004005 is 50040008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80004005 - 218 = 79741861 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347729 + ... + 347958.
It is an arithmetic number, because the mean of its divisors is an integer number (12522384).
Almost surely, 280004005 is an apocalyptic number.
It is an amenable number.
80004005 is a deficient number, since it is larger than the sum of its proper divisors (20175067).
80004005 is a wasteful number, since it uses less digits than its factorization.
80004005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 695715.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 80004005 is about 8944.4957935034. The cubic root of 80004005 is about 430.8941283122.
The spelling of 80004005 in words is "eighty million, four thousand, five".
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