Search a number
-
+
13224764 = 2271273719
BaseRepresentation
bin110010011100…
…101100111100
3220212212222002
4302130230330
511341143024
61151241432
7220260110
oct62345474
926785862
1013224764
117512a63
124519278
132980607
141a83740
1512636ae
hexc9cb3c

13224764 has 24 divisors (see below), whose sum is σ = 26664960. Its totient is φ = 5621616.

The previous prime is 13224763. The next prime is 13224769. The reversal of 13224764 is 46742231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224763) 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 in 7 ways as a sum of consecutive naturals, for example, 1697 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (1111040).

Almost surely, 213224764 is an apocalyptic number.

13224764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13224764 is an abundant number, since it is smaller than the sum of its proper divisors (13440196).

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

13224764 is a wasteful number, since it uses less digits than its factorization.

13224764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857 (or 3855 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 13224764 is about 3636.5868613303. The cubic root of 13224764 is about 236.4808495385.

Adding to 13224764 its reverse (46742231), we get a palindrome (59966995).

The spelling of 13224764 in words is "thirteen million, two hundred twenty-four thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 127 254 508 889 1778 3556 3719 7438 14876 26033 52066 104132 472313 944626 1889252 3306191 6612382 13224764