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13299238 = 214394621
BaseRepresentation
bin110010101110…
…111000100110
3221000200010101
4302232320212
511401033423
61153014314
7221020201
oct62567046
927020111
1013299238
117563a07
12455439a
1329a8494
141aa2938
15127a7ad
hexcaee26

13299238 has 8 divisors (see below), whose sum is σ = 19967040. Its totient is φ = 6643560.

The previous prime is 13299229. The next prime is 13299239. The reversal of 13299238 is 83299231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13299197 and 13299206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299239) by changing a digit.

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, 568 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (2495880).

Almost surely, 213299238 is an apocalyptic number.

13299238 is a deficient number, since it is larger than the sum of its proper divisors (6667802).

13299238 is a wasteful number, since it uses less digits than its factorization.

13299238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062.

The product of its digits is 23328, while the sum is 37.

The square root of 13299238 is about 3646.8120324470. The cubic root of 13299238 is about 236.9239253303.

The spelling of 13299238 in words is "thirteen million, two hundred ninety-nine thousand, two hundred thirty-eight".

Divisors: 1 2 1439 2878 4621 9242 6649619 13299238