Search a number
-
+
214474187 is a prime number
BaseRepresentation
bin11001100100010…
…01110111001011
3112221120102021102
430302021313023
5414401133222
633140532015
75213000114
oct1462116713
9487512242
10214474187
111000796a4
125b9b100b
1335584505
14206ad20b
1513c67d92
hexcc89dcb

214474187 has 2 divisors, whose sum is σ = 214474188. Its totient is φ = 214474186.

The previous prime is 214474181. The next prime is 214474243. The reversal of 214474187 is 781474412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214474187 - 210 = 214473163 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 214474187.

It is not a weakly prime, because it can be changed into another prime (214474181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107237093 + 107237094.

It is an arithmetic number, because the mean of its divisors is an integer number (107237094).

Almost surely, 2214474187 is an apocalyptic number.

214474187 is a deficient number, since it is larger than the sum of its proper divisors (1).

214474187 is an equidigital number, since it uses as much as digits as its factorization.

214474187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 38.

The square root of 214474187 is about 14644.9372480731. The cubic root of 214474187 is about 598.5838704432.

The spelling of 214474187 in words is "two hundred fourteen million, four hundred seventy-four thousand, one hundred eighty-seven".