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13124222 = 231211681
BaseRepresentation
bin110010000100…
…001001111110
3220200210001022
4302010021332
511324433342
61145144142
7216361016
oct62041176
926623038
1013124222
117454471
12448b052
132946917
141a58c46
1512439d2
hexc8427e

13124222 has 8 divisors (see below), whose sum is σ = 20321472. Its totient is φ = 6350400.

The previous prime is 13124213. The next prime is 13124227. The reversal of 13124222 is 22242131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13124222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105779 + ... + 105902.

It is an arithmetic number, because the mean of its divisors is an integer number (2540184).

Almost surely, 213124222 is an apocalyptic number.

13124222 is a deficient number, since it is larger than the sum of its proper divisors (7197250).

13124222 is a wasteful number, since it uses less digits than its factorization.

13124222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211714.

The product of its digits is 192, while the sum is 17.

The square root of 13124222 is about 3622.7368107551. The cubic root of 13124222 is about 235.8800381416.

Adding to 13124222 its reverse (22242131), we get a palindrome (35366353).

The spelling of 13124222 in words is "thirteen million, one hundred twenty-four thousand, two hundred twenty-two".

Divisors: 1 2 31 62 211681 423362 6562111 13124222