Base | Representation |
---|---|
bin | 1001100101011… |
… | …10011011000010 |
3 | 12121022001120210 |
4 | 10302232123002 |
5 | 131040444320 |
6 | 11551214550 |
7 | 1664304303 |
oct | 462563302 |
9 | 177261523 |
10 | 80406210 |
11 | 41429415 |
12 | 22b17456 |
13 | 13873251 |
14 | a9707aa |
15 | 70d40e0 |
hex | 4cae6c2 |
80406210 has 32 divisors (see below), whose sum is σ = 194971392. Its totient is φ = 21219840.
The previous prime is 80406199. The next prime is 80406223. The reversal of 80406210 is 1260408.
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 15 ways as a sum of consecutive naturals, for example, 10906 + ... + 16725.
It is an arithmetic number, because the mean of its divisors is an integer number (6092856).
Almost surely, 280406210 is an apocalyptic number.
80406210 is an abundant number, since it is smaller than the sum of its proper divisors (114565182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80406210 is a wasteful number, since it uses less digits than its factorization.
80406210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27738.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 80406210 is about 8966.9509868182. The cubic root of 80406210 is about 431.6150012122.
Adding to 80406210 its reverse (1260408), we get a palindrome (81666618).
The spelling of 80406210 in words is "eighty million, four hundred six thousand, two hundred ten".
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