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11189245 = 54371733
BaseRepresentation
bin101010101011…
…101111111101
3210001110202111
4222223233331
510331023440
61035454021
7164051464
oct52535775
923043674
1011189245
116352711
1238b7311
132419c72
1416b39db
15eb04ea
hexaabbfd

11189245 has 16 divisors (see below), whose sum is σ = 13951872. Its totient is φ = 8608320.

The previous prime is 11189237. The next prime is 11189249. The reversal of 11189245 is 54298111.

It is a happy number.

It is not a de Polignac number, because 11189245 - 23 = 11189237 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 (11189249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14899 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (871992).

Almost surely, 211189245 is an apocalyptic number.

It is an amenable number.

11189245 is a deficient number, since it is larger than the sum of its proper divisors (2762627).

11189245 is an equidigital number, since it uses as much as digits as its factorization.

11189245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 2880, while the sum is 31.

The square root of 11189245 is about 3345.0328847412. The cubic root of 11189245 is about 223.6661494116. Note that the first 3 decimals are identical.

The spelling of 11189245 in words is "eleven million, one hundred eighty-nine thousand, two hundred forty-five".

Divisors: 1 5 43 71 215 355 733 3053 3665 15265 31519 52043 157595 260215 2237849 11189245