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13189824 = 263317449
BaseRepresentation
bin110010010100…
…001011000000
3220211010001000
4302110023000
511334033244
61150412000
7220053204
oct62241300
926733030
1013189824
11749978a
124501000
13296a73b
141a74b04
151258169
hexc942c0

13189824 has 112 divisors (see below), whose sum is σ = 41148000. Its totient is φ = 4128768.

The previous prime is 13189801. The next prime is 13189829. The reversal of 13189824 is 42898131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13189829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29152 + ... + 29600.

Almost surely, 213189824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13189824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20574000).

13189824 is an abundant number, since it is smaller than the sum of its proper divisors (27958176).

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

13189824 is a wasteful number, since it uses less digits than its factorization.

13189824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 471 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 13189824 is about 3631.7797290034. The cubic root of 13189824 is about 236.2724040230.

The spelling of 13189824 in words is "thirteen million, one hundred eighty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 96 102 108 136 144 153 192 204 216 272 288 306 408 432 449 459 544 576 612 816 864 898 918 1088 1224 1347 1632 1728 1796 1836 2448 2694 3264 3592 3672 4041 4896 5388 7184 7344 7633 8082 9792 10776 12123 14368 14688 15266 16164 21552 22899 24246 28736 29376 30532 32328 43104 45798 48492 61064 64656 68697 86208 91596 96984 122128 129312 137394 183192 193968 206091 244256 258624 274788 366384 387936 412182 488512 549576 732768 775872 824364 1099152 1465536 1648728 2198304 3297456 4396608 6594912 13189824