Search a number
-
+
13648944 = 2431272239
BaseRepresentation
bin110100000100…
…010000110000
3221200102211110
4310010100300
511443231234
61204313320
7224004561
oct64042060
927612743
1013648944
117782721
1246a2840
132a9b6ca
141b54168
1512e91e9
hexd04430

13648944 has 40 divisors (see below), whose sum is σ = 35553280. Its totient is φ = 4511808.

The previous prime is 13648939. The next prime is 13648963. The reversal of 13648944 is 44984631.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (888832).

Almost surely, 213648944 is an apocalyptic number.

It is an amenable number.

13648944 is an abundant number, since it is smaller than the sum of its proper divisors (21904336).

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

13648944 is a wasteful number, since it uses less digits than its factorization.

13648944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2371 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 13648944 is about 3694.4477259802. The cubic root of 13648944 is about 238.9826379316.

The spelling of 13648944 in words is "thirteen million, six hundred forty-eight thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 127 254 381 508 762 1016 1524 2032 2239 3048 4478 6096 6717 8956 13434 17912 26868 35824 53736 107472 284353 568706 853059 1137412 1706118 2274824 3412236 4549648 6824472 13648944