Base | Representation |
---|---|
bin | 1001100110011… |
… | …01001001011101 |
3 | 12121112110012221 |
4 | 10303031021131 |
5 | 131104011221 |
6 | 11554025341 |
7 | 1665340231 |
oct | 463151135 |
9 | 177473187 |
10 | 80532061 |
11 | 41504a25 |
12 | 22b78251 |
13 | 138b860c |
14 | a9a45c1 |
15 | 710b541 |
hex | 4ccd25d |
80532061 has 4 divisors (see below), whose sum is σ = 80576800. Its totient is φ = 80487324.
The previous prime is 80532037. The next prime is 80532073. The reversal of 80532061 is 16023508.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80532061 - 25 = 80532029 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 (80332061) 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, 19551 + ... + 23308.
It is an arithmetic number, because the mean of its divisors is an integer number (20144200).
Almost surely, 280532061 is an apocalyptic number.
It is an amenable number.
80532061 is a deficient number, since it is larger than the sum of its proper divisors (44739).
80532061 is a wasteful number, since it uses less digits than its factorization.
80532061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44738.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 80532061 is about 8973.9657342782. The cubic root of 80532061 is about 431.8400703297.
Adding to 80532061 its reverse (16023508), we get a palindrome (96555569).
The spelling of 80532061 in words is "eighty million, five hundred thirty-two thousand, sixty-one".
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