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13230141 = 34410047
BaseRepresentation
bin110010011110…
…000000111101
3220220011100020
4302132000331
511341331031
61151322353
7220311561
oct62360075
926804306
1013230141
117517001
1245203b9
132982bb2
141a856a1
151265096
hexc9e03d

13230141 has 4 divisors (see below), whose sum is σ = 17640192. Its totient is φ = 8820092.

The previous prime is 13230109. The next prime is 13230169. The reversal of 13230141 is 14103231.

13230141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13230141 - 25 = 13230109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13230141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205021 + ... + 2205026.

It is an arithmetic number, because the mean of its divisors is an integer number (4410048).

Almost surely, 213230141 is an apocalyptic number.

It is an amenable number.

13230141 is a deficient number, since it is larger than the sum of its proper divisors (4410051).

13230141 is an equidigital number, since it uses as much as digits as its factorization.

13230141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410050.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13230141 is about 3637.3260783163. The cubic root of 13230141 is about 236.5128951068.

Adding to 13230141 its reverse (14103231), we get a palindrome (27333372).

The spelling of 13230141 in words is "thirteen million, two hundred thirty thousand, one hundred forty-one".

Divisors: 1 3 4410047 13230141