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13238 = 26619
BaseRepresentation
bin11001110110110
3200011022
43032312
5410423
6141142
753411
oct31666
920138
1013238
119a45
1277b2
136044
144b78
153dc8
hex33b6

13238 has 4 divisors (see below), whose sum is σ = 19860. Its totient is φ = 6618.

The previous prime is 13229. The next prime is 13241. The reversal of 13238 is 83231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (4965).

213238 is an apocalyptic number.

13238 is the 62-nd centered heptagonal number.

13238 is a deficient number, since it is larger than the sum of its proper divisors (6622).

13238 is an equidigital number, since it uses as much as digits as its factorization.

13238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621.

The product of its digits is 144, while the sum is 17.

The square root of 13238 is about 115.0565078559. The cubic root of 13238 is about 23.6559717155.

Adding to 13238 its reverse (83231), we get a palindrome (96469).

It can be divided in two parts, 1323 and 8, that added together give a palindrome (1331).

The spelling of 13238 in words is "thirteen thousand, two hundred thirty-eight".

Divisors: 1 2 6619 13238