Base | Representation |
---|---|
bin | 1001100101110… |
… | …01001010001011 |
3 | 12121101021220120 |
4 | 10302321022023 |
5 | 131043401222 |
6 | 11552154323 |
7 | 1664546436 |
oct | 462711213 |
9 | 177337816 |
10 | 80450187 |
11 | 41459464 |
12 | 22b389a3 |
13 | 1388a27c |
14 | a98281d |
15 | 70e215c |
hex | 4cb928b |
80450187 has 8 divisors (see below), whose sum is σ = 107368080. Its totient is φ = 53582880.
The previous prime is 80450143. The next prime is 80450191. The reversal of 80450187 is 78105408.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80450187 - 211 = 80448139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80450087) 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, 8764 + ... + 15417.
It is an arithmetic number, because the mean of its divisors is an integer number (13421010).
Almost surely, 280450187 is an apocalyptic number.
80450187 is a deficient number, since it is larger than the sum of its proper divisors (26917893).
80450187 is a wasteful number, since it uses less digits than its factorization.
80450187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25293.
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 80450187 is about 8969.4028229309. The cubic root of 80450187 is about 431.6936753738.
The spelling of 80450187 in words is "eighty million, four hundred fifty thousand, one hundred eighty-seven".
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