Base | Representation |
---|---|
bin | 1001100100000… |
… | …00111011100010 |
3 | 12120221120222110 |
4 | 10302000323202 |
5 | 131014013444 |
6 | 11543220150 |
7 | 1662600120 |
oct | 462007342 |
9 | 176846873 |
10 | 80219874 |
11 | 41311419 |
12 | 22a47656 |
13 | 138094a7 |
14 | a922910 |
15 | 7098cb9 |
hex | 4c80ee2 |
80219874 has 16 divisors (see below), whose sum is σ = 183359808. Its totient is φ = 22919952.
The previous prime is 80219869. The next prime is 80219891. The reversal of 80219874 is 47891208.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954957 + ... + 955040.
It is an arithmetic number, because the mean of its divisors is an integer number (11459988).
Almost surely, 280219874 is an apocalyptic number.
80219874 is an abundant number, since it is smaller than the sum of its proper divisors (103139934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80219874 is a wasteful number, since it uses less digits than its factorization.
80219874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1910009.
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 80219874 is about 8956.5548063974. The cubic root of 80219874 is about 431.2813303850.
The spelling of 80219874 in words is "eighty million, two hundred nineteen thousand, eight hundred seventy-four".
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