Base | Representation |
---|---|
bin | 1000101111001… |
… | …00000000111001 |
3 | 12002220022001210 |
4 | 10113210000321 |
5 | 122230120224 |
6 | 11134433333 |
7 | 1546626621 |
oct | 427440071 |
9 | 162808053 |
10 | 73285689 |
11 | 38405694 |
12 | 20662849 |
13 | 1224c219 |
14 | 9a39881 |
15 | 6679429 |
hex | 45e4039 |
73285689 has 4 divisors (see below), whose sum is σ = 97714256. Its totient is φ = 48857124.
The previous prime is 73285687. The next prime is 73285711. The reversal of 73285689 is 98658237.
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 not a de Polignac number, because 73285689 - 21 = 73285687 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (73285687) 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, 12214279 + ... + 12214284.
It is an arithmetic number, because the mean of its divisors is an integer number (24428564).
Almost surely, 273285689 is an apocalyptic number.
It is an amenable number.
73285689 is a deficient number, since it is larger than the sum of its proper divisors (24428567).
73285689 is a wasteful number, since it uses less digits than its factorization.
73285689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24428566.
The product of its digits is 725760, while the sum is 48.
The square root of 73285689 is about 8560.7061040547. The cubic root of 73285689 is about 418.4784114339.
The spelling of 73285689 in words is "seventy-three million, two hundred eighty-five thousand, six hundred eighty-nine".
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