Base | Representation |
---|---|
bin | 1011111000011001011 |
3 | 201210001101 |
4 | 1133003023 |
5 | 44424243 |
6 | 12202231 |
7 | 3211024 |
oct | 1370313 |
9 | 653041 |
10 | 389323 |
11 | 246560 |
12 | 169377 |
13 | 10828c |
14 | a1c4b |
15 | 7a54d |
hex | 5f0cb |
389323 has 4 divisors (see below), whose sum is σ = 424728. Its totient is φ = 353920.
The previous prime is 389303. The next prime is 389357. The reversal of 389323 is 323983.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323983 = 11 ⋅29453.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-389323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 389291 and 389300.
It is not an unprimeable number, because it can be changed into a prime (389303) 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, 17686 + ... + 17707.
It is an arithmetic number, because the mean of its divisors is an integer number (106182).
2389323 is an apocalyptic number.
389323 is a deficient number, since it is larger than the sum of its proper divisors (35405).
389323 is a wasteful number, since it uses less digits than its factorization.
389323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35404.
The product of its digits is 3888, while the sum is 28.
The square root of 389323 is about 623.9575306061. The cubic root of 389323 is about 73.0191355353.
It can be divided in two parts, 3893 and 23, that added together give a triangular number (3916 = T88).
The spelling of 389323 in words is "three hundred eighty-nine thousand, three hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •