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11881093 = 71697299
BaseRepresentation
bin101101010100…
…101010000101
3211100121210111
4231110222011
511020143333
61102353021
7202662520
oct55245205
924317714
1011881093
116785494
123b8b771
1325ccb43
141813bb7
15109a4cd
hexb54a85

11881093 has 4 divisors (see below), whose sum is σ = 13578400. Its totient is φ = 10183788.

The previous prime is 11881057. The next prime is 11881117. The reversal of 11881093 is 39018811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11881093 - 217 = 11750021 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 (11881013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 848643 + ... + 848656.

It is an arithmetic number, because the mean of its divisors is an integer number (3394600).

Almost surely, 211881093 is an apocalyptic number.

It is an amenable number.

11881093 is a deficient number, since it is larger than the sum of its proper divisors (1697307).

11881093 is an equidigital number, since it uses as much as digits as its factorization.

11881093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697306.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 11881093 is about 3446.8961400077. The cubic root of 11881093 is about 228.1841451197.

The spelling of 11881093 in words is "eleven million, eight hundred eighty-one thousand, ninety-three".

Divisors: 1 7 1697299 11881093