Search a number
-
+
13008216 = 23313173241
BaseRepresentation
bin110001100111…
…110101011000
3220110212220210
4301213311120
511312230331
61142451120
7215365554
oct61476530
926425823
1013008216
1173852a1
124433aa0
132905b90
141a28864
15121e446
hexc67d58

13008216 has 64 divisors (see below), whose sum is σ = 35370720. Its totient is φ = 3962880.

The previous prime is 13008209. The next prime is 13008223. The reversal of 13008216 is 61280031.

It is an interprime number because it is at equal distance from previous prime (13008209) and next prime (13008223).

It is a junction number, because it is equal to n+sod(n) for n = 13008192 and 13008201.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 53856 + ... + 54096.

Almost surely, 213008216 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 13008216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17685360).

13008216 is an abundant number, since it is smaller than the sum of its proper divisors (22362504).

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

13008216 is a wasteful number, since it uses less digits than its factorization.

13008216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13008216 is about 3606.6904497059. The cubic root of 13008216 is about 235.1829931245.

Adding to 13008216 its reverse (61280031), we get a palindrome (74288247).

The spelling of 13008216 in words is "thirteen million, eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 173 241 312 346 482 519 692 723 964 1038 1384 1446 1928 2076 2249 2892 3133 4152 4498 5784 6266 6747 8996 9399 12532 13494 17992 18798 25064 26988 37596 41693 53976 75192 83386 125079 166772 250158 333544 500316 542009 1000632 1084018 1626027 2168036 3252054 4336072 6504108 13008216