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11982249 = 34295101
BaseRepresentation
bin101101101101…
…010110101001
3211112202120000
4231231112221
511031412444
61104453213
7203563446
oct55552651
924482500
1011982249
116844494
12401a209
132636bb6
14183c9cd
1510ba469
hexb6d5a9

11982249 has 20 divisors (see below), whose sum is σ = 18520260. Its totient is φ = 7711200.

The previous prime is 11982247. The next prime is 11982259. The reversal of 11982249 is 94228911.

11982249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 10036224 = 1395^2 + 3168^2 .

It is not a de Polignac number, because 11982249 - 21 = 11982247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 202 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (926013).

Almost surely, 211982249 is an apocalyptic number.

It is an amenable number.

11982249 is a deficient number, since it is larger than the sum of its proper divisors (6538011).

11982249 is an equidigital number, since it uses as much as digits as its factorization.

11982249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142 (or 5133 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11982249 is about 3461.5385307692. The cubic root of 11982249 is about 228.8299048988.

The spelling of 11982249 in words is "eleven million, nine hundred eighty-two thousand, two hundred forty-nine".

Divisors: 1 3 9 27 29 81 87 261 783 2349 5101 15303 45909 137727 147929 413181 443787 1331361 3994083 11982249