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111102 = 2318517
BaseRepresentation
bin11011000111111110
312122101220
4123013332
512023402
62214210
7641625
oct330776
9178356
10111102
1176522
1254366
133b754
142c6bc
1522dbc
hex1b1fe

111102 has 8 divisors (see below), whose sum is σ = 222216. Its totient is φ = 37032.

The previous prime is 111091. The next prime is 111103. The reversal of 111102 is 201111.

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

111102 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (6), and also a Moran number because the ratio is a prime number: 18517 = 111102 / (1 + 1 + 1 + 1 + 0 + 2).

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103) by changing a digit.

111102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9253 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (27777).

2111102 is an apocalyptic number.

111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111102 is a wasteful number, since it uses less digits than its factorization.

111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18522.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 111102 is about 333.3196663865. The cubic root of 111102 is about 48.0736715914.

Adding to 111102 its reverse (201111), we get a palindrome (312213).

Subtracting 111102 from its reverse (201111), we obtain a palindrome (90009).

Multiplying 111102 by its reverse (201111), we get a palindrome (22343834322).

The spelling of 111102 in words is "one hundred eleven thousand, one hundred two", and thus it is an iban number.

Divisors: 1 2 3 6 18517 37034 55551 111102