Base | Representation |
---|---|
bin | 1001100110000… |
… | …10000001101010 |
3 | 12121110010201201 |
4 | 10303002001222 |
5 | 131101032011 |
6 | 11553034414 |
7 | 1665060352 |
oct | 463020152 |
9 | 177403651 |
10 | 80486506 |
11 | 41483781 |
12 | 22b55a0a |
13 | 138a0969 |
14 | a991b62 |
15 | 70eccc1 |
hex | 4cc206a |
80486506 has 4 divisors (see below), whose sum is σ = 120729762. Its totient is φ = 40243252.
The previous prime is 80486503. The next prime is 80486519. The reversal of 80486506 is 60568408.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 41486481 + 39000025 = 6441^2 + 6245^2 .
It is not an unprimeable number, because it can be changed into a prime (80486501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121625 + ... + 20121628.
Almost surely, 280486506 is an apocalyptic number.
80486506 is a deficient number, since it is larger than the sum of its proper divisors (40243256).
80486506 is a wasteful number, since it uses less digits than its factorization.
80486506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40243255.
The product of its (nonzero) digits is 46080, while the sum is 37.
The square root of 80486506 is about 8971.4271997269. The cubic root of 80486506 is about 431.7586278800.
The spelling of 80486506 in words is "eighty million, four hundred eighty-six thousand, five hundred six".
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