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11145132 = 22321718211
BaseRepresentation
bin101010100000…
…111110101100
3202222020020200
4222200332230
510323121012
61034513500
7163506045
oct52407654
922866220
1011145132
116322559
123895890
132402b6b
1416a18cc
15ea23dc
hexaa0fac

11145132 has 36 divisors (see below), whose sum is σ = 29831256. Its totient is φ = 3496320.

The previous prime is 11145109. The next prime is 11145137. The reversal of 11145132 is 23154111.

11145132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11145137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8494 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (828646).

Almost surely, 211145132 is an apocalyptic number.

11145132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11145132 is an abundant number, since it is smaller than the sum of its proper divisors (18686124).

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

11145132 is a wasteful number, since it uses less digits than its factorization.

11145132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18238 (or 18233 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11145132 is about 3338.4325663401. The cubic root of 11145132 is about 223.3718316841.

Adding to 11145132 its reverse (23154111), we get a palindrome (34299243).

The spelling of 11145132 in words is "eleven million, one hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 18211 36422 54633 72844 109266 163899 218532 309587 327798 619174 655596 928761 1238348 1857522 2786283 3715044 5572566 11145132