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214236213 = 371412071
BaseRepresentation
bin11001100010011…
…11110000110101
3112221010022211120
430301033300311
5414321024323
633131454153
75210656242
oct1461176065
9487108746
10214236213
11aaa26924
125b8b7359
13355000b9
142064a5c9
1513c1c5e3
hexcc4fc35

214236213 has 4 divisors (see below), whose sum is σ = 285648288. Its totient is φ = 142824140.

The previous prime is 214236203. The next prime is 214236241. The reversal of 214236213 is 312632412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214236213 - 214 = 214219829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214236203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35706033 + ... + 35706038.

It is an arithmetic number, because the mean of its divisors is an integer number (71412072).

Almost surely, 2214236213 is an apocalyptic number.

It is an amenable number.

214236213 is a deficient number, since it is larger than the sum of its proper divisors (71412075).

214236213 is an equidigital number, since it uses as much as digits as its factorization.

214236213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412074.

The product of its digits is 1728, while the sum is 24.

The square root of 214236213 is about 14636.8102057791. The cubic root of 214236213 is about 598.3623983901.

Adding to 214236213 its reverse (312632412), we get a palindrome (526868625).

The spelling of 214236213 in words is "two hundred fourteen million, two hundred thirty-six thousand, two hundred thirteen".

Divisors: 1 3 71412071 214236213