Base | Representation |
---|---|
bin | 1001101000110… |
… | …11110000101101 |
3 | 12122010210220212 |
4 | 10310123300231 |
5 | 131144312221 |
6 | 12004552205 |
7 | 2001151061 |
oct | 464336055 |
9 | 178123825 |
10 | 80854061 |
11 | 41704942 |
12 | 230b2665 |
13 | 1399c052 |
14 | aa49aa1 |
15 | 7171b5b |
hex | 4d1bc2d |
80854061 has 4 divisors (see below), whose sum is σ = 82734432. Its totient is φ = 78973692.
The previous prime is 80854049. The next prime is 80854079. The reversal of 80854061 is 16045808.
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 80854061 - 222 = 76659757 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 (80854021) 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, 940121 + ... + 940206.
It is an arithmetic number, because the mean of its divisors is an integer number (20683608).
Almost surely, 280854061 is an apocalyptic number.
It is an amenable number.
80854061 is a deficient number, since it is larger than the sum of its proper divisors (1880371).
80854061 is a wasteful number, since it uses less digits than its factorization.
80854061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1880370.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 80854061 is about 8991.8886225309. Note that the first 3 decimals coincide. The cubic root of 80854061 is about 432.4148624559.
Adding to 80854061 its reverse (16045808), we get a palindrome (96899869).
The spelling of 80854061 in words is "eighty million, eight hundred fifty-four thousand, sixty-one".
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