Base | Representation |
---|---|
bin | 1000101111001… |
… | …00101000101101 |
3 | 12002220102120011 |
4 | 10113210220231 |
5 | 122230210422 |
6 | 11134453221 |
7 | 1546640221 |
oct | 427445055 |
9 | 162812504 |
10 | 73288237 |
11 | 384075a0 |
12 | 20664211 |
13 | 12250429 |
14 | 9a3a781 |
15 | 667a077 |
hex | 45e4a2d |
73288237 has 4 divisors (see below), whose sum is σ = 79950816. Its totient is φ = 66625660.
The previous prime is 73288217. The next prime is 73288261.
73288237 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 73288237 - 27 = 73288109 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 73288237.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73288217) 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, 3331273 + ... + 3331294.
It is an arithmetic number, because the mean of its divisors is an integer number (19987704).
Almost surely, 273288237 is an apocalyptic number.
It is an amenable number.
73288237 is a deficient number, since it is larger than the sum of its proper divisors (6662579).
73288237 is a wasteful number, since it uses less digits than its factorization.
73288237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6662578.
The product of its digits is 112896, while the sum is 40.
The square root of 73288237 is about 8560.8549222610. The cubic root of 73288237 is about 418.4832612695.
The spelling of 73288237 in words is "seventy-three million, two hundred eighty-eight thousand, two hundred thirty-seven".
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