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4182213 = 37199153
BaseRepresentation
bin1111111101000011000101
321212110220210
433331003011
52032312323
6225350033
750356020
oct17750305
97773823
104182213
1123a7182
121498319
13b357a9
147ac1b7
15579293
hex3fd0c5

4182213 has 8 divisors (see below), whose sum is σ = 6372928. Its totient is φ = 2389824.

The previous prime is 4182209. The next prime is 4182239. The reversal of 4182213 is 3122814.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4182213 - 22 = 4182209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 199153 = 4182213 / (4 + 1 + 8 + 2 + 2 + 1 + 3).

It is a Duffinian number.

4182213 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4182213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4182203) 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 7 ways as a sum of consecutive naturals, for example, 99556 + ... + 99597.

It is an arithmetic number, because the mean of its divisors is an integer number (796616).

Almost surely, 24182213 is an apocalyptic number.

It is an amenable number.

4182213 is a deficient number, since it is larger than the sum of its proper divisors (2190715).

4182213 is a wasteful number, since it uses less digits than its factorization.

4182213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199163.

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

The square root of 4182213 is about 2045.0459652536. The cubic root of 4182213 is about 161.1147799755.

It can be divided in two parts, 41 and 82213, that multiplied together give a palindrome (3370733).

The spelling of 4182213 in words is "four million, one hundred eighty-two thousand, two hundred thirteen".

Divisors: 1 3 7 21 199153 597459 1394071 4182213