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14208213 = 34736071
BaseRepresentation
bin110110001100…
…110011010101
3222201212000010
4312030303111
512114130323
61224310433
7231524235
oct66146325
928655003
1014208213
118024928
124912419
132c36136
141c5bcc5
1513a9c93
hexd8ccd5

14208213 has 4 divisors (see below), whose sum is σ = 18944288. Its totient is φ = 9472140.

The previous prime is 14208179. The next prime is 14208217. The reversal of 14208213 is 31280241.

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 not a de Polignac number, because 14208213 - 26 = 14208149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14208213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14208217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368033 + ... + 2368038.

It is an arithmetic number, because the mean of its divisors is an integer number (4736072).

Almost surely, 214208213 is an apocalyptic number.

It is an amenable number.

14208213 is a deficient number, since it is larger than the sum of its proper divisors (4736075).

14208213 is an equidigital number, since it uses as much as digits as its factorization.

14208213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736074.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 14208213 is about 3769.3783307065. The cubic root of 14208213 is about 242.2031681823.

Adding to 14208213 its reverse (31280241), we get a palindrome (45488454).

The spelling of 14208213 in words is "fourteen million, two hundred eight thousand, two hundred thirteen".

Divisors: 1 3 4736071 14208213