Search a number
-
+
13224133 = 1319371447
BaseRepresentation
bin110010011100…
…100011000101
3220212212002201
4302130203011
511341133013
61151234501
7220255216
oct62344305
926785081
1013224133
11751253a
124518a31
132980240
141a8340d
1512633dd
hexc9c8c5

13224133 has 16 divisors (see below), whose sum is σ = 15406720. Its totient is φ = 11244096.

The previous prime is 13224131. The next prime is 13224137. The reversal of 13224133 is 33142231.

It is a cyclic number.

It is not a de Polignac number, because 13224133 - 21 = 13224131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is the 3637-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 13224133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224131) by changing a digit.

It is a nontrivial repunit in base 3636.

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 15 ways as a sum of consecutive naturals, for example, 8416 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (962920).

Almost surely, 213224133 is an apocalyptic number.

13224133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13224133 is a deficient number, since it is larger than the sum of its proper divisors (2182587).

13224133 is a wasteful number, since it uses less digits than its factorization.

13224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 432, while the sum is 19.

The square root of 13224133 is about 3636.5001031211. The cubic root of 13224133 is about 236.4770883677.

Adding to 13224133 its reverse (33142231), we get a palindrome (46366364).

The spelling of 13224133 in words is "thirteen million, two hundred twenty-four thousand, one hundred thirty-three".

Divisors: 1 13 19 37 247 481 703 1447 9139 18811 27493 53539 357409 696007 1017241 13224133