Base | Representation |
---|---|
bin | 1001100011001… |
… | …00110110000111 |
3 | 12120201202011220 |
4 | 10301210312013 |
5 | 131001323324 |
6 | 11540531423 |
7 | 1661610543 |
oct | 461446607 |
9 | 176652156 |
10 | 80104839 |
11 | 41242a51 |
12 | 229b0b73 |
13 | 13799019 |
14 | a8d2a23 |
15 | 7074b79 |
hex | 4c64d87 |
80104839 has 8 divisors (see below), whose sum is σ = 107063040. Its totient is φ = 53274936.
The previous prime is 80104823. The next prime is 80104847. The reversal of 80104839 is 93840108.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80104839 - 24 = 80104823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80104879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30607 + ... + 33120.
It is an arithmetic number, because the mean of its divisors is an integer number (13382880).
Almost surely, 280104839 is an apocalyptic number.
80104839 is a deficient number, since it is larger than the sum of its proper divisors (26958201).
80104839 is a wasteful number, since it uses less digits than its factorization.
80104839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64149.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 80104839 is about 8950.1306694372. The cubic root of 80104839 is about 431.0750798265.
The spelling of 80104839 in words is "eighty million, one hundred four thousand, eight hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •