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11121208 = 237198593
BaseRepresentation
bin101010011011…
…001000111000
3202221000102121
4222123020320
510321334313
61034211024
7163346230
oct52331070
922830377
1011121208
11630658a
123883a74
1323c4cc7
141696cc0
15e9a28d
hexa9b238

11121208 has 16 divisors (see below), whose sum is σ = 23831280. Its totient is φ = 4766208.

The previous prime is 11121197. The next prime is 11121217. The reversal of 11121208 is 80212111.

It is a junction number, because it is equal to n+sod(n) for n = 11121191 and 11121200.

It is a congruent number.

It is an unprimeable number.

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, 99241 + ... + 99352.

It is an arithmetic number, because the mean of its divisors is an integer number (1489455).

Almost surely, 211121208 is an apocalyptic number.

It is an amenable number.

11121208 is an abundant number, since it is smaller than the sum of its proper divisors (12710072).

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

11121208 is a wasteful number, since it uses less digits than its factorization.

11121208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198606 (or 198602 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11121208 is about 3334.8475227512. The cubic root of 11121208 is about 223.2118881315.

Adding to 11121208 its reverse (80212111), we get a palindrome (91333319).

The spelling of 11121208 in words is "eleven million, one hundred twenty-one thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 28 56 198593 397186 794372 1390151 1588744 2780302 5560604 11121208