Base | Representation |
---|---|
bin | 1001100010101… |
… | …10010101001000 |
3 | 12120121201121212 |
4 | 10301112111020 |
5 | 130442423014 |
6 | 11535352252 |
7 | 1661242316 |
oct | 461262510 |
9 | 176551555 |
10 | 80045384 |
11 | 41202311 |
12 | 22982688 |
13 | 13777c43 |
14 | a8b90b6 |
15 | 706223e |
hex | 4c56548 |
80045384 has 16 divisors (see below), whose sum is σ = 158913900. Its totient is φ = 37668352.
The previous prime is 80045377. The next prime is 80045389. The reversal of 80045384 is 48354008.
It can be written as a sum of positive squares in 2 ways, for example, as 65772100 + 14273284 = 8110^2 + 3778^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 80045384.
It is not an unprimeable number, because it can be changed into a prime (80045389) 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, 294149 + ... + 294420.
Almost surely, 280045384 is an apocalyptic number.
It is an amenable number.
80045384 is a deficient number, since it is larger than the sum of its proper divisors (78868516).
80045384 is a wasteful number, since it uses less digits than its factorization.
80045384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 588592 (or 588588 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 80045384 is about 8946.8085930124. The cubic root of 80045384 is about 430.9684033232.
The spelling of 80045384 in words is "eighty million, forty-five thousand, three hundred eighty-four".
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