Base | Representation |
---|---|
bin | 1001100101011… |
… | …10000101101010 |
3 | 12121021222201010 |
4 | 10302232011222 |
5 | 131040423332 |
6 | 11551204350 |
7 | 1664300310 |
oct | 462560552 |
9 | 177258633 |
10 | 80404842 |
11 | 41428391 |
12 | 22b166b6 |
13 | 1387273b |
14 | a9700b0 |
15 | 70d39cc |
hex | 4cae16a |
80404842 has 32 divisors (see below), whose sum is σ = 184051584. Its totient is φ = 22939200.
The previous prime is 80404837. The next prime is 80404853. The reversal of 80404842 is 24840408.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 48792 + ... + 50412.
It is an arithmetic number, because the mean of its divisors is an integer number (5751612).
Almost surely, 280404842 is an apocalyptic number.
80404842 is an abundant number, since it is smaller than the sum of its proper divisors (103646742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80404842 is a wasteful number, since it uses less digits than its factorization.
80404842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2814.
The product of its (nonzero) digits is 8192, while the sum is 30.
The square root of 80404842 is about 8966.8747063846. The cubic root of 80404842 is about 431.6125534217.
The spelling of 80404842 in words is "eighty million, four hundred four thousand, eight hundred forty-two".
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