Base | Representation |
---|---|
bin | 1001100010101… |
… | …10111111110011 |
3 | 12120121212101000 |
4 | 10301112333303 |
5 | 130443014430 |
6 | 11535413043 |
7 | 1661253300 |
oct | 461267763 |
9 | 176555330 |
10 | 80048115 |
11 | 41204374 |
12 | 22984183 |
13 | 13779264 |
14 | a8ba0a7 |
15 | 7062e60 |
hex | 4c56ff3 |
80048115 has 48 divisors (see below), whose sum is σ = 165555360. Its totient is φ = 36590400.
The previous prime is 80048081. The next prime is 80048117. The reversal of 80048115 is 51184008.
It is not a de Polignac number, because 80048115 - 27 = 80047987 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (80048117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565 + ... + 12665.
It is an arithmetic number, because the mean of its divisors is an integer number (3449070).
Almost surely, 280048115 is an apocalyptic number.
80048115 is an abundant number, since it is smaller than the sum of its proper divisors (85507245).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80048115 is a wasteful number, since it uses less digits than its factorization.
80048115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12129 (or 12116 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 80048115 is about 8946.9612159660. The cubic root of 80048115 is about 430.9733045483.
The spelling of 80048115 in words is "eighty million, forty-eight thousand, one hundred fifteen".
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