Base | Representation |
---|---|
bin | 1001100010011… |
… | …01001110010111 |
3 | 12120112211110111 |
4 | 10301031032113 |
5 | 130440224322 |
6 | 11534503451 |
7 | 1661025505 |
oct | 461151627 |
9 | 176484414 |
10 | 80008087 |
11 | 41187295 |
12 | 22964b87 |
13 | 13763c83 |
14 | a8a9675 |
15 | 7056177 |
hex | 4c4d397 |
80008087 has 4 divisors (see below), whose sum is σ = 80114536. Its totient is φ = 79901640.
The previous prime is 80008081. The next prime is 80008091. The reversal of 80008087 is 78080008.
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 80008087 - 219 = 79483799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80008081) 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, 52089 + ... + 53602.
It is an arithmetic number, because the mean of its divisors is an integer number (20028634).
Almost surely, 280008087 is an apocalyptic number.
80008087 is a deficient number, since it is larger than the sum of its proper divisors (106449).
80008087 is a wasteful number, since it uses less digits than its factorization.
80008087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106448.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 80008087 is about 8944.7239756183. The cubic root of 80008087 is about 430.9014566116.
The spelling of 80008087 in words is "eighty million, eight thousand, eighty-seven".
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