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214811 is a prime number
BaseRepresentation
bin110100011100011011
3101220122222
4310130123
523333221
64334255
71553162
oct643433
9356588
10214811
11137433
12a438b
1376a0c
14583d9
15439ab
hex3471b

214811 has 2 divisors, whose sum is σ = 214812. Its totient is φ = 214810.

The previous prime is 214807. The next prime is 214817. The reversal of 214811 is 118412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214811 - 22 = 214807 is a prime.

It is a super-2 number, since 2×2148112 = 92287531442, which contains 22 as substring.

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 214811.

It is not a weakly prime, because it can be changed into another prime (214817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107405 + 107406.

It is an arithmetic number, because the mean of its divisors is an integer number (107406).

2214811 is an apocalyptic number.

214811 is a deficient number, since it is larger than the sum of its proper divisors (1).

214811 is an equidigital number, since it uses as much as digits as its factorization.

214811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 214811 is about 463.4770760243. The cubic root of 214811 is about 59.8897047811.

The spelling of 214811 in words is "two hundred fourteen thousand, eight hundred eleven".