[go: up one dir, main page]

Search a number
-
+
13244135 = 52648827
BaseRepresentation
bin110010100001…
…011011100111
3220220212112112
4302201123213
511342303020
61151511235
7220400432
oct62413347
926825475
1013244135
117526573
12452851b
132989388
141a8a819
1512692c5
hexca16e7

13244135 has 4 divisors (see below), whose sum is σ = 15892968. Its totient is φ = 10595304.

The previous prime is 13244123. The next prime is 13244141. The reversal of 13244135 is 53144231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53144231 = 77592033.

It is a cyclic number.

It is not a de Polignac number, because 13244135 - 220 = 12195559 is a prime.

It is a super-2 number, since 2×132441352 = 350814223796450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13244135.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1324409 + ... + 1324418.

It is an arithmetic number, because the mean of its divisors is an integer number (3973242).

Almost surely, 213244135 is an apocalyptic number.

13244135 is a deficient number, since it is larger than the sum of its proper divisors (2648833).

13244135 is an equidigital number, since it uses as much as digits as its factorization.

13244135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648832.

The product of its digits is 1440, while the sum is 23.

The square root of 13244135 is about 3639.2492357628. The cubic root of 13244135 is about 236.5962551453.

Adding to 13244135 its reverse (53144231), we get a palindrome (66388366).

The spelling of 13244135 in words is "thirteen million, two hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 2648827 13244135