Base | Representation |
---|---|
bin | 1000101110001… |
… | …10010111111111 |
3 | 12002200010112102 |
4 | 10113012113333 |
5 | 122212224122 |
6 | 11132055315 |
7 | 1545612650 |
oct | 427062777 |
9 | 162603472 |
10 | 73164287 |
11 | 38332459 |
12 | 2060453b |
13 | 12208ba1 |
14 | 9a07527 |
15 | 6653492 |
hex | 45c65ff |
73164287 has 16 divisors (see below), whose sum is σ = 85001280. Its totient is φ = 61682688.
The previous prime is 73164271. The next prime is 73164317. The reversal of 73164287 is 78246137.
It is not a de Polignac number, because 73164287 - 24 = 73164271 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 73164287.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73164227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187889 + ... + 188277.
It is an arithmetic number, because the mean of its divisors is an integer number (5312580).
Almost surely, 273164287 is an apocalyptic number.
73164287 is a deficient number, since it is larger than the sum of its proper divisors (11836993).
73164287 is a wasteful number, since it uses less digits than its factorization.
73164287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 770.
The product of its digits is 56448, while the sum is 38.
The square root of 73164287 is about 8553.6125116818. The cubic root of 73164287 is about 418.2472057876.
The spelling of 73164287 in words is "seventy-three million, one hundred sixty-four thousand, two hundred eighty-seven".
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