Base | Representation |
---|---|
bin | 1001100100101… |
… | …11010000101000 |
3 | 12121010020102221 |
4 | 10302113100220 |
5 | 131024430321 |
6 | 11545203424 |
7 | 1663430560 |
oct | 462272050 |
9 | 177106387 |
10 | 80311336 |
11 | 41374106 |
12 | 22a90574 |
13 | 1383c001 |
14 | a947da0 |
15 | 70b5e41 |
hex | 4c97428 |
80311336 has 16 divisors (see below), whose sum is σ = 172095840. Its totient is φ = 34419120.
The previous prime is 80311327. The next prime is 80311339. The reversal of 80311336 is 63311308.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 80311336.
It is not an unprimeable number, because it can be changed into a prime (80311339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717010 + ... + 717121.
It is an arithmetic number, because the mean of its divisors is an integer number (10755990).
Almost surely, 280311336 is an apocalyptic number.
It is an amenable number.
80311336 is an abundant number, since it is smaller than the sum of its proper divisors (91784504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80311336 is a wasteful number, since it uses less digits than its factorization.
80311336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434144 (or 1434140 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 80311336 is about 8961.6592213719. The cubic root of 80311336 is about 431.4451753662.
The spelling of 80311336 in words is "eighty million, three hundred eleven thousand, three hundred thirty-six".
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