Base | Representation |
---|---|
bin | 1001100101110… |
… | …01111001100100 |
3 | 12121101110001220 |
4 | 10302321321210 |
5 | 131044000340 |
6 | 11552220340 |
7 | 1664561331 |
oct | 462717144 |
9 | 177343056 |
10 | 80453220 |
11 | 41460771 |
12 | 22b3a6b0 |
13 | 1388b773 |
14 | a983988 |
15 | 70e2ed0 |
hex | 4cb9e64 |
80453220 has 48 divisors (see below), whose sum is σ = 237128640. Its totient is φ = 20324736.
The previous prime is 80453209. The next prime is 80453249. The reversal of 80453220 is 2235408.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34147 + ... + 36426.
It is an arithmetic number, because the mean of its divisors is an integer number (4940180).
Almost surely, 280453220 is an apocalyptic number.
It is an amenable number.
80453220 is an abundant number, since it is smaller than the sum of its proper divisors (156675420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80453220 is a wasteful number, since it uses less digits than its factorization.
80453220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70604 (or 70602 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 80453220 is about 8969.5718961386. The cubic root of 80453220 is about 431.6991003061.
Adding to 80453220 its reverse (2235408), we get a palindrome (82688628).
The spelling of 80453220 in words is "eighty million, four hundred fifty-three thousand, two hundred twenty".
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