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11212382 = 25606191
BaseRepresentation
bin101010110001…
…011001011110
3210002122111102
4222301121132
510332244012
61040153102
7164206106
oct52613136
923078442
1011212382
116369035
123908792
13242765c
1416bc206
15eb72c2
hexab165e

11212382 has 4 divisors (see below), whose sum is σ = 16818576. Its totient is φ = 5606190.

The previous prime is 11212363. The next prime is 11212427. The reversal of 11212382 is 28321211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28321211 = 231231357.

It is a super-2 number, since 2×112123822 = 251435020227848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2803094 + ... + 2803097.

It is an arithmetic number, because the mean of its divisors is an integer number (4204644).

Almost surely, 211212382 is an apocalyptic number.

11212382 is a deficient number, since it is larger than the sum of its proper divisors (5606194).

11212382 is an equidigital number, since it uses as much as digits as its factorization.

11212382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606193.

The product of its digits is 192, while the sum is 20.

The square root of 11212382 is about 3348.4895102120. The cubic root of 11212382 is about 223.8202080897.

Adding to 11212382 its reverse (28321211), we get a palindrome (39533593).

The spelling of 11212382 in words is "eleven million, two hundred twelve thousand, three hundred eighty-two".

Divisors: 1 2 5606191 11212382