Search a number
-
+
13063144 = 231632893
BaseRepresentation
bin110001110101…
…001111101000
3220120200021011
4301311033220
511321010034
61143553304
7216014653
oct61651750
926520234
1013063144
117412596
12445b834
132924b93
141a4089a
151230864
hexc753e8

13063144 has 8 divisors (see below), whose sum is σ = 24493410. Its totient is φ = 6531568.

The previous prime is 13063129. The next prime is 13063147. The reversal of 13063144 is 44136031.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 743044 = 3510^2 + 862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13063147) by changing a digit.

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 as a sum of consecutive naturals, namely, 816439 + ... + 816454.

Almost surely, 213063144 is an apocalyptic number.

It is an amenable number.

13063144 is a deficient number, since it is larger than the sum of its proper divisors (11430266).

13063144 is a wasteful number, since it uses less digits than its factorization.

13063144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632899 (or 1632895 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13063144 is about 3614.2971654251. The cubic root of 13063144 is about 235.5135532219.

Adding to 13063144 its reverse (44136031), we get a palindrome (57199175).

The spelling of 13063144 in words is "thirteen million, sixty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 1632893 3265786 6531572 13063144