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13812422 = 2133117137
BaseRepresentation
bin110100101100…
…001011000110
3221222202002012
4310230023012
512013444142
61212014222
7225255311
oct64541306
927882065
1013812422
117884528
124761372
132b27c40
141b97978
15132c882
hexd2c2c6

13812422 has 16 divisors (see below), whose sum is σ = 23033472. Its totient is φ = 6168960.

The previous prime is 13812419. The next prime is 13812437. The reversal of 13812422 is 22421831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7763 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (1439592).

Almost surely, 213812422 is an apocalyptic number.

13812422 is a deficient number, since it is larger than the sum of its proper divisors (9221050).

13812422 is a wasteful number, since it uses less digits than its factorization.

13812422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17183.

The product of its digits is 768, while the sum is 23.

The square root of 13812422 is about 3716.5066931192. The cubic root of 13812422 is about 239.9329789710.

The spelling of 13812422 in words is "thirteen million, eight hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 13 26 31 62 403 806 17137 34274 222781 445562 531247 1062494 6906211 13812422