Base | Representation |
---|---|
bin | 1001101000100… |
… | …00110011110011 |
3 | 12122001112101110 |
4 | 10310100303303 |
5 | 131141343303 |
6 | 12004004403 |
7 | 2000603226 |
oct | 464206363 |
9 | 178045343 |
10 | 80809203 |
11 | 41684172 |
12 | 23090703 |
13 | 139847c7 |
14 | aa375bd |
15 | 7163703 |
hex | 4d10cf3 |
80809203 has 8 divisors (see below), whose sum is σ = 108293328. Its totient is φ = 53598944.
The previous prime is 80809193. The next prime is 80809207. The reversal of 80809203 is 30290808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80809203 - 24 = 80809187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80809207) 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, 67776 + ... + 68957.
It is an arithmetic number, because the mean of its divisors is an integer number (13536666).
Almost surely, 280809203 is an apocalyptic number.
80809203 is a deficient number, since it is larger than the sum of its proper divisors (27484125).
80809203 is a wasteful number, since it uses less digits than its factorization.
80809203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136933.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 80809203 is about 8989.3939172783. The cubic root of 80809203 is about 432.3348794430.
The spelling of 80809203 in words is "eighty million, eight hundred nine thousand, two hundred three".
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