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13243244 = 227795987
BaseRepresentation
bin110010100001…
…001101101100
3220220211022112
4302201031230
511342240434
61151503152
7220365020
oct62411554
926824275
1013243244
117525933
124527ab8
132988b51
141a8a380
151268dce
hexca136c

13243244 has 24 divisors (see below), whose sum is σ = 26826240. Its totient is φ = 5602896.

The previous prime is 13243213. The next prime is 13243253. The reversal of 13243244 is 44234231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (1117760).

Almost surely, 213243244 is an apocalyptic number.

13243244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13243244 is an abundant number, since it is smaller than the sum of its proper divisors (13582996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13243244 is a wasteful number, since it uses less digits than its factorization.

13243244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077 (or 6075 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 13243244 is about 3639.1268183453. The cubic root of 13243244 is about 236.5909493504.

Adding to 13243244 its reverse (44234231), we get a palindrome (57477475).

The spelling of 13243244 in words is "thirteen million, two hundred forty-three thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 5987 11974 23948 41909 83818 167636 472973 945946 1891892 3310811 6621622 13243244