Base | Representation |
---|---|
bin | 1011110111110110111 |
3 | 201202200011 |
4 | 1132332313 |
5 | 44422142 |
6 | 12201051 |
7 | 3210151 |
oct | 1367667 |
9 | 652604 |
10 | 389047 |
11 | 24632a |
12 | 169187 |
13 | 108109 |
14 | a1ad1 |
15 | 7a417 |
hex | 5efb7 |
389047 has 2 divisors, whose sum is σ = 389048. Its totient is φ = 389046.
The previous prime is 389041. The next prime is 389057. The reversal of 389047 is 740983.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-389047 is a prime.
389047 is a lucky number.
It is equal to p32989 and since 389047 and 32989 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194523 + 194524.
It is an arithmetic number, because the mean of its divisors is an integer number (194524).
2389047 is an apocalyptic number.
389047 is a deficient number, since it is larger than the sum of its proper divisors (1).
389047 is an equidigital number, since it uses as much as digits as its factorization.
389047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 389047 is about 623.7363224953. The cubic root of 389047 is about 73.0018764764.
The spelling of 389047 in words is "three hundred eighty-nine thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •