Base | Representation |
---|---|
bin | 1001101000110… |
… | …00100010000000 |
3 | 12122010010202220 |
4 | 10310120202000 |
5 | 131143401312 |
6 | 12004411040 |
7 | 2001064362 |
oct | 464304200 |
9 | 178103686 |
10 | 80840832 |
11 | 416a5a06 |
12 | 230a6a80 |
13 | 13996017 |
14 | aa44d32 |
15 | 716cc8c |
hex | 4d18880 |
80840832 has 32 divisors (see below), whose sum is σ = 214734480. Its totient is φ = 26946816.
The previous prime is 80840789. The next prime is 80840833. The reversal of 80840832 is 23804808.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 80840793 and 80840802.
It is not an unprimeable number, because it can be changed into a prime (80840833) 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, 104878 + ... + 105645.
Almost surely, 280840832 is an apocalyptic number.
It is an amenable number.
80840832 is an abundant number, since it is smaller than the sum of its proper divisors (133893648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80840832 is a wasteful number, since it uses less digits than its factorization.
80840832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210540 (or 210528 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 80840832 is about 8991.1529850181. The cubic root of 80840832 is about 432.3912778717.
The spelling of 80840832 in words is "eighty million, eight hundred forty thousand, eight hundred thirty-two".
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