Search a number
-
+
13006244 = 22792521
BaseRepresentation
bin110001100111…
…010110100100
3220110210012202
4301213112210
511312144434
61142434032
7215360036
oct61472644
926423182
1013006244
117383869
124432918
132905004
141a27c56
15121da7e
hexc675a4

13006244 has 18 divisors (see below), whose sum is σ = 23096934. Its totient is φ = 6408480.

The previous prime is 13006219. The next prime is 13006249. The reversal of 13006244 is 44260031.

It is a happy number.

13006244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 3020644 = 3160^2 + 1738^2 .

It is not an unprimeable number, because it can be changed into a prime (13006249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24704 + ... + 25224.

It is an arithmetic number, because the mean of its divisors is an integer number (1283163).

Almost surely, 213006244 is an apocalyptic number.

It is an amenable number.

13006244 is a deficient number, since it is larger than the sum of its proper divisors (10090690).

13006244 is an equidigital number, since it uses as much as digits as its factorization.

13006244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13006244 is about 3606.4170585222. The cubic root of 13006244 is about 235.1711082178.

Adding to 13006244 its reverse (44260031), we get a palindrome (57266275).

The spelling of 13006244 in words is "thirteen million, six thousand, two hundred forty-four".

Divisors: 1 2 4 79 158 316 521 1042 2084 6241 12482 24964 41159 82318 164636 3251561 6503122 13006244