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13163406 = 23172331181
BaseRepresentation
bin110010001101…
…101110001110
3220202202210120
4302031232032
511332212111
61150045410
7216613164
oct62155616
926682716
1013163406
117480953
1244a9866
13295b6c9
141a69234
151250406
hexc8db8e

13163406 has 64 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 3801600.

The previous prime is 13163393. The next prime is 13163411. The reversal of 13163406 is 60436131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 72636 + ... + 72816.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 213163406 is an apocalyptic number.

13163406 is an abundant number, since it is smaller than the sum of its proper divisors (17028210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13163406 is a wasteful number, since it uses less digits than its factorization.

13163406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13163406 is about 3628.1408462186. The cubic root of 13163406 is about 236.1145546513.

Adding to 13163406 its reverse (60436131), we get a palindrome (73599537).

The spelling of 13163406 in words is "thirteen million, one hundred sixty-three thousand, four hundred six".

Divisors: 1 2 3 6 17 23 31 34 46 51 62 69 93 102 138 181 186 362 391 527 543 713 782 1054 1086 1173 1426 1581 2139 2346 3077 3162 4163 4278 5611 6154 8326 9231 11222 12121 12489 16833 18462 24242 24978 33666 36363 70771 72726 95387 129053 141542 190774 212313 258106 286161 387159 424626 572322 774318 2193901 4387802 6581703 13163406