Search a number
-
+
214404871 is a prime number
BaseRepresentation
bin11001100011110…
…00111100000111
3112221102220012011
430301320330013
5414341423441
633135235051
75212261042
oct1461707407
9487386164
10214404871
1110003160a
125b978a87
133555bab5
1420691c59
1513c52581
hexcc78f07

214404871 has 2 divisors, whose sum is σ = 214404872. Its totient is φ = 214404870.

The previous prime is 214404847. The next prime is 214404913. The reversal of 214404871 is 178404412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214404871 - 211 = 214402823 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214402871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107202435 + 107202436.

It is an arithmetic number, because the mean of its divisors is an integer number (107202436).

Almost surely, 2214404871 is an apocalyptic number.

214404871 is a deficient number, since it is larger than the sum of its proper divisors (1).

214404871 is an equidigital number, since it uses as much as digits as its factorization.

214404871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 214404871 is about 14642.5705052084. The cubic root of 214404871 is about 598.5193779732.

The spelling of 214404871 in words is "two hundred fourteen million, four hundred four thousand, eight hundred seventy-one".