Base | Representation |
---|---|
bin | 1001100010101… |
… | …00001000100001 |
3 | 12120121021021120 |
4 | 10301110020201 |
5 | 130442131020 |
6 | 11535242453 |
7 | 1661204142 |
oct | 461241041 |
9 | 176537246 |
10 | 80036385 |
11 | 411a6580 |
12 | 22979429 |
13 | 13773b10 |
14 | a8b5ac9 |
15 | 705e740 |
hex | 4c54221 |
80036385 has 32 divisors (see below), whose sum is σ = 150450048. Its totient is φ = 35819520.
The previous prime is 80036381. The next prime is 80036399. The reversal of 80036385 is 58363008.
It is not a de Polignac number, because 80036385 - 22 = 80036381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80036381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16512 + ... + 20801.
It is an arithmetic number, because the mean of its divisors is an integer number (4701564).
Almost surely, 280036385 is an apocalyptic number.
It is an amenable number.
80036385 is a deficient number, since it is larger than the sum of its proper divisors (70413663).
80036385 is a wasteful number, since it uses less digits than its factorization.
80036385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37345.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 80036385 is about 8946.3056621155. The cubic root of 80036385 is about 430.9522523606.
The spelling of 80036385 in words is "eighty million, thirty-six thousand, three hundred eighty-five".
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