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12082188 = 2233132479
BaseRepresentation
bin101110000101…
…110000001100
3211201211122110
4232011300030
511043112223
61110544020
7204461016
oct56056014
924654573
1012082188
116902588
124068010
132670531
1418671b6
1510d9d93
hexb85c0c

12082188 has 24 divisors (see below), whose sum is σ = 29102080. Its totient is φ = 3897360.

The previous prime is 12082171. The next prime is 12082201. The reversal of 12082188 is 88128021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15868 + ... + 16611.

Almost surely, 212082188 is an apocalyptic number.

It is an amenable number.

12082188 is an abundant number, since it is smaller than the sum of its proper divisors (17019892).

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

12082188 is a wasteful number, since it uses less digits than its factorization.

12082188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32517 (or 32515 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 12082188 is about 3475.9441882746. The cubic root of 12082188 is about 229.4643362831.

The spelling of 12082188 in words is "twelve million, eighty-two thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 32479 64958 97437 129916 194874 389748 1006849 2013698 3020547 4027396 6041094 12082188