Base | Representation |
---|---|
bin | 1001100110000… |
… | …10001001011101 |
3 | 12121110011102012 |
4 | 10303002021131 |
5 | 131101041010 |
6 | 11553041005 |
7 | 1665061664 |
oct | 463021135 |
9 | 177404365 |
10 | 80487005 |
11 | 41484095 |
12 | 22b56165 |
13 | 138a0c61 |
14 | a991ddb |
15 | 70ed005 |
hex | 4cc225d |
80487005 has 32 divisors (see below), whose sum is σ = 105504768. Its totient is φ = 58766400.
The previous prime is 80486971. The next prime is 80487037. The reversal of 80487005 is 50078408.
It is not a de Polignac number, because 80487005 - 26 = 80486941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381350 + ... + 381560.
It is an arithmetic number, because the mean of its divisors is an integer number (3297024).
Almost surely, 280487005 is an apocalyptic number.
It is an amenable number.
80487005 is a deficient number, since it is larger than the sum of its proper divisors (25017763).
80487005 is a wasteful number, since it uses less digits than its factorization.
80487005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377.
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 80487005 is about 8971.4550101976. The cubic root of 80487005 is about 431.7595201501.
The spelling of 80487005 in words is "eighty million, four hundred eighty-seven thousand, five".
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