Base | Representation |
---|---|
bin | 1001100100000… |
… | …10101111011010 |
3 | 12120221222011010 |
4 | 10302002233122 |
5 | 131014233130 |
6 | 11543314350 |
7 | 1662630543 |
oct | 462025732 |
9 | 176858133 |
10 | 80227290 |
11 | 41316a50 |
12 | 22a4b9b6 |
13 | 1380c990 |
14 | a9254ca |
15 | 709b0b0 |
hex | 4c82bda |
80227290 has 64 divisors (see below), whose sum is σ = 226219392. Its totient is φ = 17952000.
The previous prime is 80227249. The next prime is 80227307. The reversal of 80227290 is 9272208.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 31 ways as a sum of consecutive naturals, for example, 5061 + ... + 13640.
It is an arithmetic number, because the mean of its divisors is an integer number (3534678).
Almost surely, 280227290 is an apocalyptic number.
80227290 is an abundant number, since it is smaller than the sum of its proper divisors (145992102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80227290 is a wasteful number, since it uses less digits than its factorization.
80227290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18735.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 80227290 is about 8956.9687953012. The cubic root of 80227290 is about 431.2946200418.
Adding to 80227290 its reverse (9272208), we get a palindrome (89499498).
The spelling of 80227290 in words is "eighty million, two hundred twenty-seven thousand, two hundred ninety".
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