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214214213 = 29113131499
BaseRepresentation
bin11001100010010…
…10011001000101
3112221002012122202
430301022121011
5414314323323
633131204245
75210535143
oct1461123105
9487065582
10214214213
11aaa11344
125b8a6685
13354c3095
1420642593
1513c15d28
hexcc4a645

214214213 has 16 divisors (see below), whose sum is σ = 225720000. Its totient is φ = 203024640.

The previous prime is 214214207. The next prime is 214214237. The reversal of 214214213 is 312412412.

It is a cyclic number.

It is not a de Polignac number, because 214214213 - 24 = 214214197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214214293) 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, 429038 + ... + 429536.

It is an arithmetic number, because the mean of its divisors is an integer number (14107500).

Almost surely, 2214214213 is an apocalyptic number.

It is an amenable number.

214214213 is a deficient number, since it is larger than the sum of its proper divisors (11505787).

214214213 is a wasteful number, since it uses less digits than its factorization.

214214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its digits is 384, while the sum is 20.

The square root of 214214213 is about 14636.0586566193. The cubic root of 214214213 is about 598.3419156666.

Adding to 214214213 its reverse (312412412), we get a palindrome (526626625).

The spelling of 214214213 in words is "two hundred fourteen million, two hundred fourteen thousand, two hundred thirteen".

Divisors: 1 29 113 131 499 3277 3799 14471 14803 56387 65369 429287 1635223 1895701 7386697 214214213