Base | Representation |
---|---|
bin | 1001100100100… |
… | …00110110000111 |
3 | 12121001220101212 |
4 | 10302100312013 |
5 | 131023110223 |
6 | 11544442035 |
7 | 1663261145 |
oct | 462206607 |
9 | 177056355 |
10 | 80285063 |
11 | 413563a1 |
12 | 22a7931b |
13 | 13830071 |
14 | a93c595 |
15 | 70ad278 |
hex | 4c90d87 |
80285063 has 4 divisors (see below), whose sum is σ = 80316528. Its totient is φ = 80253600.
The previous prime is 80285059. The next prime is 80285077. The reversal of 80285063 is 36058208.
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 80285063 - 22 = 80285059 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 (80285003) 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, 11531 + ... + 17132.
It is an arithmetic number, because the mean of its divisors is an integer number (20079132).
Almost surely, 280285063 is an apocalyptic number.
80285063 is a deficient number, since it is larger than the sum of its proper divisors (31465).
80285063 is a wasteful number, since it uses less digits than its factorization.
80285063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31464.
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 80285063 is about 8960.1932456839. The cubic root of 80285063 is about 431.3981226670.
The spelling of 80285063 in words is "eighty million, two hundred eighty-five thousand, sixty-three".
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