Search a number
-
+
13204036 = 2217277701
BaseRepresentation
bin110010010111…
…101001000100
3220211211112101
4302113221010
511340012121
61151001444
7220142506
oct62275104
926754471
1013204036
1174a942a
124509284
132974051
141a79d76
15125c491
hexc97a44

13204036 has 24 divisors (see below), whose sum is σ = 24589656. Its totient is φ = 6182400.

The previous prime is 13204007. The next prime is 13204043. The reversal of 13204036 is 63040231.

It can be written as a sum of positive squares in 4 ways, for example, as 3779136 + 9424900 = 1944^2 + 3070^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18486 + ... + 19186.

It is an arithmetic number, because the mean of its divisors is an integer number (1024569).

Almost surely, 213204036 is an apocalyptic number.

It is an amenable number.

13204036 is a deficient number, since it is larger than the sum of its proper divisors (11385620).

13204036 is a wasteful number, since it uses less digits than its factorization.

13204036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13204036 is about 3633.7358186858. The cubic root of 13204036 is about 236.3572345227.

Adding to 13204036 its reverse (63040231), we get a palindrome (76244267).

It can be divided in two parts, 1320 and 4036, that added together give a triangular number (5356 = T103).

The spelling of 13204036 in words is "thirteen million, two hundred four thousand, thirty-six".

Divisors: 1 2 4 17 34 68 277 554 701 1108 1402 2804 4709 9418 11917 18836 23834 47668 194177 388354 776708 3301009 6602018 13204036