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13193271 = 3271389181
BaseRepresentation
bin110010010101…
…000000110111
3220211021202200
4302111000313
511334141041
61150435543
7220066230
oct62250067
926737680
1013193271
1174a1333
124502bb3
13296c190
141a76087
1512591b6
hexc95037

13193271 has 48 divisors (see below), whose sum is σ = 23849280. Its totient is φ = 6842880.

The previous prime is 13193269. The next prime is 13193293. The reversal of 13193271 is 17239131.

It is not a de Polignac number, because 13193271 - 21 = 13193269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13193221) 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 47 ways as a sum of consecutive naturals, for example, 72801 + ... + 72981.

It is an arithmetic number, because the mean of its divisors is an integer number (496860).

Almost surely, 213193271 is an apocalyptic number.

13193271 is a deficient number, since it is larger than the sum of its proper divisors (10656009).

13193271 is a wasteful number, since it uses less digits than its factorization.

13193271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 293 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13193271 is about 3632.2542587214. The cubic root of 13193271 is about 236.2929845361.

The spelling of 13193271 in words is "thirteen million, one hundred ninety-three thousand, two hundred seventy-one".

Divisors: 1 3 7 9 13 21 39 63 89 91 117 181 267 273 543 623 801 819 1157 1267 1629 1869 2353 3471 3801 5607 7059 8099 10413 11403 16109 16471 21177 24297 48327 49413 72891 112763 144981 148239 209417 338289 628251 1014867 1465919 1884753 4397757 13193271