Base | Representation |
---|---|
bin | 1011110110001101001 |
3 | 201201111211 |
4 | 1132301221 |
5 | 44410301 |
6 | 12153121 |
7 | 3204532 |
oct | 1366151 |
9 | 651454 |
10 | 388201 |
11 | 245730 |
12 | 1687a1 |
13 | 107908 |
14 | a1689 |
15 | 7a051 |
hex | 5ec69 |
388201 has 4 divisors (see below), whose sum is σ = 423504. Its totient is φ = 352900.
The previous prime is 388187. The next prime is 388211. The reversal of 388201 is 102883.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 388201 - 25 = 388169 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388211) 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, 17635 + ... + 17656.
It is an arithmetic number, because the mean of its divisors is an integer number (105876).
2388201 is an apocalyptic number.
It is an amenable number.
388201 is a deficient number, since it is larger than the sum of its proper divisors (35303).
388201 is a wasteful number, since it uses less digits than its factorization.
388201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35302.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 388201 is about 623.0577822321. The cubic root of 388201 is about 72.9489227991.
The spelling of 388201 in words is "three hundred eighty-eight thousand, two hundred one".
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