Base | Representation |
---|---|
bin | 10111000110101… |
… | …000001000010001 |
3 | 1000000100210100111 |
4 | 113012220020101 |
5 | 1243212110301 |
6 | 102243521321 |
7 | 12414441433 |
oct | 2706501021 |
9 | 1000323314 |
10 | 387613201 |
11 | 189885598 |
12 | a9989241 |
13 | 623c5531 |
14 | 3969c653 |
15 | 24068551 |
hex | 171a8211 |
387613201 has 2 divisors, whose sum is σ = 387613202. Its totient is φ = 387613200.
The previous prime is 387613189. The next prime is 387613207. The reversal of 387613201 is 102316783.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 251190801 + 136422400 = 15849^2 + 11680^2 .
It is a cyclic number.
It is not a de Polignac number, because 387613201 - 227 = 253395473 is a prime.
It is not a weakly prime, because it can be changed into another prime (387613207) 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 as a sum of consecutive naturals, namely, 193806600 + 193806601.
It is an arithmetic number, because the mean of its divisors is an integer number (193806601).
Almost surely, 2387613201 is an apocalyptic number.
It is an amenable number.
387613201 is a deficient number, since it is larger than the sum of its proper divisors (1).
387613201 is an equidigital number, since it uses as much as digits as its factorization.
387613201 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 387613201 is about 19687.8947833434. The cubic root of 387613201 is about 729.1208538393.
Adding to 387613201 its reverse (102316783), we get a palindrome (489929984).
The spelling of 387613201 in words is "three hundred eighty-seven million, six hundred thirteen thousand, two hundred one".
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