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13749164 = 2211132432
BaseRepresentation
bin110100011100…
…101110101100
3221212112022022
4310130232230
512004433124
61210405312
7224603012
oct64345654
927775268
1013749164
117840a50
124730838
132b05200
141b7c8b2
151318c5e
hexd1cbac

13749164 has 54 divisors (see below), whose sum is σ = 29099196. Its totient is φ = 5634720.

The previous prime is 13749149. The next prime is 13749187. The reversal of 13749164 is 46194731.

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 17 ways as a sum of consecutive naturals, for example, 319727 + ... + 319769.

It is an arithmetic number, because the mean of its divisors is an integer number (538874).

Almost surely, 213749164 is an apocalyptic number.

It is an amenable number.

13749164 is an abundant number, since it is smaller than the sum of its proper divisors (15350032).

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

13749164 is a wasteful number, since it uses less digits than its factorization.

13749164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 69 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 13749164 is about 3707.9865156173. The cubic root of 13749164 is about 239.5661374493.

The spelling of 13749164 in words is "thirteen million, seven hundred forty-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 11 13 22 26 43 44 52 86 143 169 172 286 338 473 559 572 676 946 1118 1849 1859 1892 2236 3698 3718 6149 7267 7396 7436 12298 14534 20339 24037 24596 29068 40678 48074 79937 81356 96148 159874 264407 312481 319748 528814 624962 1057628 1249924 3437291 6874582 13749164