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11382439 = 53214763
BaseRepresentation
bin101011011010…
…111010100111
3210102021202211
4223122322213
510403214224
61043544251
7165514645
oct53327247
923367684
1011382439
116474882
12398b087
132486b93
141724195
15eec894
hexadaea7

11382439 has 4 divisors (see below), whose sum is σ = 11597256. Its totient is φ = 11167624.

The previous prime is 11382433. The next prime is 11382451. The reversal of 11382439 is 93428311.

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

It is a cyclic number.

It is not a de Polignac number, because 11382439 - 25 = 11382407 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11382439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11382433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107329 + ... + 107434.

It is an arithmetic number, because the mean of its divisors is an integer number (2899314).

Almost surely, 211382439 is an apocalyptic number.

11382439 is a deficient number, since it is larger than the sum of its proper divisors (214817).

11382439 is an equidigital number, since it uses as much as digits as its factorization.

11382439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214816.

The product of its digits is 5184, while the sum is 31.

The square root of 11382439 is about 3373.7870412935. The cubic root of 11382439 is about 224.9460874945.

The spelling of 11382439 in words is "eleven million, three hundred eighty-two thousand, four hundred thirty-nine".

Divisors: 1 53 214763 11382439