Base | Representation |
---|---|
bin | 1001100101001… |
… | …01010001101011 |
3 | 12121020011012021 |
4 | 10302211101223 |
5 | 131033244442 |
6 | 11550325311 |
7 | 1664060134 |
oct | 462452153 |
9 | 177204167 |
10 | 80368747 |
11 | 41403258 |
12 | 22ab9837 |
13 | 1385c194 |
14 | a960c8b |
15 | 70c7e67 |
hex | 4ca546b |
80368747 has 4 divisors (see below), whose sum is σ = 80404936. Its totient is φ = 80332560.
The previous prime is 80368703. The next prime is 80368751. The reversal of 80368747 is 74786308.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80368747 - 27 = 80368619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80368787) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 14529 + ... + 19282.
It is an arithmetic number, because the mean of its divisors is an integer number (20101234).
Almost surely, 280368747 is an apocalyptic number.
80368747 is a deficient number, since it is larger than the sum of its proper divisors (36189).
80368747 is a wasteful number, since it uses less digits than its factorization.
80368747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36188.
The product of its (nonzero) digits is 225792, while the sum is 43.
The square root of 80368747 is about 8964.8617948075. The cubic root of 80368747 is about 431.5479578636.
The spelling of 80368747 in words is "eighty million, three hundred sixty-eight thousand, seven hundred forty-seven".
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