Search a number
-
+
13143368 = 237233529
BaseRepresentation
bin110010001000…
…110101001000
3220201202022102
4302020311020
511331041433
61145412532
7216500600
oct62106510
926652272
1013143368
117467897
12449a148
132952554
141a61c00
1512494e8
hexc88d48

13143368 has 24 divisors (see below), whose sum is σ = 28668150. Its totient is φ = 5632704.

The previous prime is 13143359. The next prime is 13143379. The reversal of 13143368 is 86334131.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 2502724 = 3262^2 + 1582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13143368.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16373 + ... + 17156.

Almost surely, 213143368 is an apocalyptic number.

It is an amenable number.

13143368 is an abundant number, since it is smaller than the sum of its proper divisors (15524782).

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

13143368 is a wasteful number, since it uses less digits than its factorization.

13143368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33549 (or 33538 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 13143368 is about 3625.3783250855. The cubic root of 13143368 is about 235.9946853155.

Adding to 13143368 its reverse (86334131), we get a palindrome (99477499).

The spelling of 13143368 in words is "thirteen million, one hundred forty-three thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 33529 67058 134116 234703 268232 469406 938812 1642921 1877624 3285842 6571684 13143368