Base | Representation |
---|---|
bin | 100011110000… |
… | …101010110101 |
3 | 122122021020121 |
4 | 203300222311 |
5 | 4344440024 |
6 | 532531541 |
7 | 142452403 |
oct | 43605265 |
9 | 18567217 |
10 | 9374389 |
11 | 5323132 |
12 | 3180bb1 |
13 | 1c32b9b |
14 | 1360473 |
15 | c528e4 |
hex | 8f0ab5 |
9374389 has 2 divisors, whose sum is σ = 9374390. Its totient is φ = 9374388.
The previous prime is 9374359. The next prime is 9374399. The reversal of 9374389 is 9834739.
9374389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8898289 + 476100 = 2983^2 + 690^2 .
It is an emirp because it is prime and its reverse (9834739) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9374389 - 213 = 9366197 is a prime.
9374389 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9374359) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4687194 + 4687195.
It is an arithmetic number, because the mean of its divisors is an integer number (4687195).
Almost surely, 29374389 is an apocalyptic number.
It is an amenable number.
9374389 is a deficient number, since it is larger than the sum of its proper divisors (1).
9374389 is an equidigital number, since it uses as much as digits as its factorization.
9374389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 163296, while the sum is 43.
The square root of 9374389 is about 3061.7624009710. The cubic root of 9374389 is about 210.8535854494.
The spelling of 9374389 in words is "nine million, three hundred seventy-four thousand, three hundred eighty-nine".
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