Search a number
-
+
13888064 = 26217001
BaseRepresentation
bin110100111110…
…101001000000
3222010120211202
4310332221000
512023404224
61213400332
7226021661
oct64765100
928116752
1013888064
117926343
1247990a8
132b534b8
141bb7368
151344eae
hexd3ea40

13888064 has 14 divisors (see below), whose sum is σ = 27559254. Its totient is φ = 6944000.

The previous prime is 13888057. The next prime is 13888109. The reversal of 13888064 is 46088831.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 4840000 = 3008^2 + 2200^2 .

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 as a sum of consecutive naturals, namely, 108437 + ... + 108564.

Almost surely, 213888064 is an apocalyptic number.

It is an amenable number.

13888064 is a deficient number, since it is larger than the sum of its proper divisors (13671190).

13888064 is an equidigital number, since it uses as much as digits as its factorization.

13888064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217013 (or 217003 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 13888064 is about 3726.6692903986. The cubic root of 13888064 is about 240.3701695078.

The spelling of 13888064 in words is "thirteen million, eight hundred eighty-eight thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 217001 434002 868004 1736008 3472016 6944032 13888064