Search a number
-
+
13159664 = 247117497
BaseRepresentation
bin110010001100…
…110011110000
3220202120122222
4302030303300
511332102124
61150020212
7216566240
oct62146360
926676588
1013159664
117479061
1244a7668
132959aab
141a67b20
15124e25e
hexc8ccf0

13159664 has 20 divisors (see below), whose sum is σ = 29139504. Its totient is φ = 5639808.

The previous prime is 13159651. The next prime is 13159667. The reversal of 13159664 is 46695131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13159667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58637 + ... + 58860.

Almost surely, 213159664 is an apocalyptic number.

13159664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13159664 is an abundant number, since it is smaller than the sum of its proper divisors (15979840).

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

13159664 is a wasteful number, since it uses less digits than its factorization.

13159664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117512 (or 117506 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 13159664 is about 3627.6251184487. The cubic root of 13159664 is about 236.0921788721.

It can be divided in two parts, 131 and 59664, that added together give a palindrome (59795).

The spelling of 13159664 in words is "thirteen million, one hundred fifty-nine thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 117497 234994 469988 822479 939976 1644958 1879952 3289916 6579832 13159664