Search a number
-
+
13244133 = 376071039
BaseRepresentation
bin110010100001…
…011011100101
3220220212112110
4302201123211
511342303013
61151511233
7220400430
oct62413345
926825473
1013244133
117526571
124528519
132989386
141a8a817
1512692c3
hexca16e5

13244133 has 16 divisors (see below), whose sum is σ = 20234240. Its totient is φ = 7548336.

The previous prime is 13244123. The next prime is 13244141. The reversal of 13244133 is 33144231.

13244133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13244133 - 28 = 13243877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12228 + ... + 13266.

It is an arithmetic number, because the mean of its divisors is an integer number (1264640).

Almost surely, 213244133 is an apocalyptic number.

It is an amenable number.

13244133 is a deficient number, since it is larger than the sum of its proper divisors (6990107).

13244133 is a wasteful number, since it uses less digits than its factorization.

13244133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its digits is 864, while the sum is 21.

The square root of 13244133 is about 3639.2489609808. The cubic root of 13244133 is about 236.5962432358.

Adding to 13244133 its reverse (33144231), we get a palindrome (46388364).

The spelling of 13244133 in words is "thirteen million, two hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 3 7 21 607 1039 1821 3117 4249 7273 12747 21819 630673 1892019 4414711 13244133