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13965168 = 243789467
BaseRepresentation
bin110101010001…
…011101110000
3222021111121110
4311101131300
512033341133
61215153320
7226462530
oct65213560
928244543
1013965168
117979268
124815840
132b7c619
141bd74c0
15135cc63
hexd51770

13965168 has 80 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 3936768.

The previous prime is 13965151. The next prime is 13965179. The reversal of 13965168 is 86156931.

13965168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 37372-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29671 + ... + 30137.

It is an arithmetic number, because the mean of its divisors is an integer number (522288).

Almost surely, 213965168 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 13965168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20891520).

13965168 is an abundant number, since it is smaller than the sum of its proper divisors (27817872).

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

13965168 is a wasteful number, since it uses less digits than its factorization.

13965168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 568 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 13965168 is about 3736.9998662028. Note that the first 3 decimals coincide. The cubic root of 13965168 is about 240.8141792882.

The spelling of 13965168 in words is "thirteen million, nine hundred sixty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 89 112 168 178 267 336 356 467 534 623 712 934 1068 1246 1401 1424 1868 1869 2136 2492 2802 3269 3736 3738 4272 4984 5604 6538 7472 7476 9807 9968 11208 13076 14952 19614 22416 26152 29904 39228 41563 52304 78456 83126 124689 156912 166252 249378 290941 332504 498756 581882 665008 872823 997512 1163764 1745646 1995024 2327528 3491292 4655056 6982584 13965168