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111204 = 22323089
BaseRepresentation
bin11011001001100100
312122112200
4123021210
512024304
62214500
7642132
oct331144
9178480
10111204
1176605
1254430
133b802
142c752
1522e39
hex1b264

111204 has 18 divisors (see below), whose sum is σ = 281190. Its totient is φ = 37056.

The previous prime is 111191. The next prime is 111211. The reversal of 111204 is 402111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 108900 + 2304 = 330^2 + 48^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 12.

It is a zygodrome in base 8.

It is an unprimeable number.

111204 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 5 ways as a sum of consecutive naturals, for example, 1509 + ... + 1580.

2111204 is an apocalyptic number.

It is an amenable number.

111204 is an abundant number, since it is smaller than the sum of its proper divisors (169986).

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

111204 is a wasteful number, since it uses less digits than its factorization.

111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3094 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 111204 is about 333.4726375582. The cubic root of 111204 is about 48.0883788414.

Adding to 111204 its reverse (402111), we get a palindrome (513315).

The spelling of 111204 in words is "one hundred eleven thousand, two hundred four", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 36 3089 6178 9267 12356 18534 27801 37068 55602 111204