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12089148 = 2231007429
BaseRepresentation
bin101110000111…
…011100111100
3211202012012020
4232013130330
511043323043
61111040140
7204520221
oct56073474
924665166
1012089148
116907835
124070050
132673756
141869948
1510dbe83
hexb8773c

12089148 has 12 divisors (see below), whose sum is σ = 28208040. Its totient is φ = 4029712.

The previous prime is 12089131. The next prime is 12089173. The reversal of 12089148 is 84198021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×120891482 = 292294998731808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503703 + ... + 503726.

It is an arithmetic number, because the mean of its divisors is an integer number (2350670).

Almost surely, 212089148 is an apocalyptic number.

It is an amenable number.

12089148 is an abundant number, since it is smaller than the sum of its proper divisors (16118892).

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

12089148 is a wasteful number, since it uses less digits than its factorization.

12089148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007436 (or 1007434 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12089148 is about 3476.9452109575. The cubic root of 12089148 is about 229.5083891542.

The spelling of 12089148 in words is "twelve million, eighty-nine thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 1007429 2014858 3022287 4029716 6044574 12089148