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11081279 = 111496761
BaseRepresentation
bin101010010001…
…011000111111
3202211222122202
4222101120333
510314100104
61033302115
7163121636
oct52213077
922758582
1011081279
116289590
12386493b
1323aca91
14168651d
15e8d51e
hexa9163f

11081279 has 8 divisors (see below), whose sum is σ = 12171600. Its totient is φ = 10004800.

The previous prime is 11081269. The next prime is 11081281. The reversal of 11081279 is 97218011.

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

It is a cyclic number.

It is not a de Polignac number, because 11081279 - 216 = 11015743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081209) 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 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (1521450).

Almost surely, 211081279 is an apocalyptic number.

11081279 is a deficient number, since it is larger than the sum of its proper divisors (1090321).

11081279 is a wasteful number, since it uses less digits than its factorization.

11081279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 11081279 is about 3328.8555090301. The cubic root of 11081279 is about 222.9444317160.

The spelling of 11081279 in words is "eleven million, eighty-one thousand, two hundred seventy-nine".

Divisors: 1 11 149 1639 6761 74371 1007389 11081279