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11391113 = 291073671
BaseRepresentation
bin101011011101…
…000010001001
3210102201200002
4223131002021
510404003423
61044052345
7165552146
oct53350211
923381602
1011391113
116480348
1239940b5
13248ab06
1417273cd
151000228
hexadd089

11391113 has 8 divisors (see below), whose sum is σ = 11897280. Its totient is φ = 10892560.

The previous prime is 11391101. The next prime is 11391119. The reversal of 11391113 is 31119311.

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 11391113 - 24 = 11391097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11391119) 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 7 ways as a sum of consecutive naturals, for example, 1268 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (1487160).

Almost surely, 211391113 is an apocalyptic number.

It is an amenable number.

11391113 is a deficient number, since it is larger than the sum of its proper divisors (506167).

11391113 is a wasteful number, since it uses less digits than its factorization.

11391113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807.

The product of its digits is 81, while the sum is 20.

The square root of 11391113 is about 3375.0722955220. The cubic root of 11391113 is about 225.0032131228.

The spelling of 11391113 in words is "eleven million, three hundred ninety-one thousand, one hundred thirteen".

Divisors: 1 29 107 3103 3671 106459 392797 11391113