Base | Representation |
---|---|
bin | 1001100111011… |
… | …01011011001001 |
3 | 12121210011120101 |
4 | 10303231123021 |
5 | 131122224030 |
6 | 12000525401 |
7 | 1666430533 |
oct | 463553311 |
9 | 177704511 |
10 | 80664265 |
11 | 41595290 |
12 | 23020861 |
13 | 13933846 |
14 | a9da853 |
15 | 71357ca |
hex | 4ced6c9 |
80664265 has 16 divisors (see below), whose sum is σ = 107332416. Its totient is φ = 57700800.
The previous prime is 80664257. The next prime is 80664271. The reversal of 80664265 is 56246608.
It is not a de Polignac number, because 80664265 - 23 = 80664257 is a prime.
It is a Duffinian number.
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, 8667 + ... + 15376.
It is an arithmetic number, because the mean of its divisors is an integer number (6708276).
Almost surely, 280664265 is an apocalyptic number.
It is an amenable number.
80664265 is a deficient number, since it is larger than the sum of its proper divisors (26668151).
80664265 is a wasteful number, since it uses less digits than its factorization.
80664265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24120.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 80664265 is about 8981.3286878947. The cubic root of 80664265 is about 432.0762486154.
The spelling of 80664265 in words is "eighty million, six hundred sixty-four thousand, two hundred sixty-five".
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