Search a number
-
+
38105867 is a prime number
BaseRepresentation
bin1001000101011…
…1001100001011
32122200222102102
42101113030023
534223341432
63440424015
7641615552
oct221271413
978628372
1038105867
111a567558
121091800b
137b82667
1450bcd99
15352a962
hex245730b

38105867 has 2 divisors, whose sum is σ = 38105868. Its totient is φ = 38105866.

The previous prime is 38105863. The next prime is 38105911. The reversal of 38105867 is 76850183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38105867 - 22 = 38105863 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38105867.

It is not a weakly prime, because it can be changed into another prime (38105863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19052933 + 19052934.

It is an arithmetic number, because the mean of its divisors is an integer number (19052934).

Almost surely, 238105867 is an apocalyptic number.

38105867 is a deficient number, since it is larger than the sum of its proper divisors (1).

38105867 is an equidigital number, since it uses as much as digits as its factorization.

38105867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 38105867 is about 6172.9949781285. The cubic root of 38105867 is about 336.5094636896.

The spelling of 38105867 in words is "thirty-eight million, one hundred five thousand, eight hundred sixty-seven".