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214444811 = 7195932719
BaseRepresentation
bin11001100100000…
…10101100001011
3112221111220222102
430302002230023
5414344213221
633140144015
75212515350
oct1462025413
9487456872
10214444811
11100059619
125b99800b
1335574029
14206a2627
1513c5e30b
hexcc82b0b

214444811 has 16 divisors (see below), whose sum is σ = 258508800. Its totient is φ = 173778048.

The previous prime is 214444781. The next prime is 214444819. The reversal of 214444811 is 118444412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214444811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214444819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77510 + ... + 80228.

It is an arithmetic number, because the mean of its divisors is an integer number (16156800).

Almost surely, 2214444811 is an apocalyptic number.

214444811 is a deficient number, since it is larger than the sum of its proper divisors (44063989).

214444811 is a wasteful number, since it uses less digits than its factorization.

214444811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338.

The product of its digits is 4096, while the sum is 29.

The square root of 214444811 is about 14643.9342732751. The cubic root of 214444811 is about 598.5565403437.

The spelling of 214444811 in words is "two hundred fourteen million, four hundred forty-four thousand, eight hundred eleven".

Divisors: 1 7 19 133 593 2719 4151 11267 19033 51661 78869 361627 1612367 11286569 30634973 214444811