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12080436 = 2236611523
BaseRepresentation
bin101110000101…
…010100110100
3211201202020120
4232011110310
511043033221
61110531540
7204452634
oct56052464
924652216
1012080436
116901235
124066bb0
13266c7b4
1418666c4
1510d95c6
hexb85534

12080436 has 24 divisors (see below), whose sum is σ = 28248864. Its totient is φ = 4018080.

The previous prime is 12080429. The next prime is 12080459. The reversal of 12080436 is 63408021.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 7171 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (1177036).

Almost surely, 212080436 is an apocalyptic number.

It is an amenable number.

12080436 is an abundant number, since it is smaller than the sum of its proper divisors (16168428).

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

12080436 is a wasteful number, since it uses less digits than its factorization.

12080436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12080436 is about 3475.6921612824. The cubic root of 12080436 is about 229.4532444469.

Adding to 12080436 its reverse (63408021), we get a palindrome (75488457).

The spelling of 12080436 in words is "twelve million, eighty thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 661 1322 1523 1983 2644 3046 3966 4569 6092 7932 9138 18276 1006703 2013406 3020109 4026812 6040218 12080436