Search a number
-
+
4781867 is a prime number
BaseRepresentation
bin10010001111011100101011
322222221111012
4102033130223
52211004432
6250254135
755434206
oct22173453
98887435
104781867
112776762
12172734b
13cb570c
148c693d
15646cb2
hex48f72b

4781867 has 2 divisors, whose sum is σ = 4781868. Its totient is φ = 4781866.

The previous prime is 4781837. The next prime is 4781873. The reversal of 4781867 is 7681874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4781867 - 28 = 4781611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4781807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390933 + 2390934.

It is an arithmetic number, because the mean of its divisors is an integer number (2390934).

Almost surely, 24781867 is an apocalyptic number.

4781867 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781867 is an equidigital number, since it uses as much as digits as its factorization.

4781867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 41.

The square root of 4781867 is about 2186.7480421850. The cubic root of 4781867 is about 168.4738488416.

The spelling of 4781867 in words is "four million, seven hundred eighty-one thousand, eight hundred sixty-seven".