Base | Representation |
---|---|
bin | 11011111101001010000001 |
3 | 111210022122200 |
4 | 123331022001 |
5 | 3334002020 |
6 | 421023413 |
7 | 116201361 |
oct | 33751201 |
9 | 14708580 |
10 | 7328385 |
11 | 4155a19 |
12 | 2554b69 |
13 | 169782c |
14 | d8a9a1 |
15 | 99b590 |
hex | 6fd281 |
7328385 has 12 divisors (see below), whose sum is σ = 12702612. Its totient is φ = 3908448.
The previous prime is 7328383. The next prime is 7328401. The reversal of 7328385 is 5838237.
7328385 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 5489649 = 1356^2 + 2343^2 .
It is not a de Polignac number, because 7328385 - 21 = 7328383 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
7328385 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7328383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81382 + ... + 81471.
It is an arithmetic number, because the mean of its divisors is an integer number (1058551).
Almost surely, 27328385 is an apocalyptic number.
It is an amenable number.
7328385 is a deficient number, since it is larger than the sum of its proper divisors (5374227).
7328385 is a wasteful number, since it uses less digits than its factorization.
7328385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162864 (or 162861 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 7328385 is about 2707.0990007756. The cubic root of 7328385 is about 194.2388474190.
The spelling of 7328385 in words is "seven million, three hundred twenty-eight thousand, three hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •