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12103044 = 2231008587
BaseRepresentation
bin101110001010…
…110110000100
3211202220020220
4232022312010
511044244134
61111224340
7204605562
oct56126604
924686226
1012103044
116917218
1240780b0
132679b85
141870a32
1510e1149
hexb8ad84

12103044 has 12 divisors (see below), whose sum is σ = 28240464. Its totient is φ = 4034344.

The previous prime is 12103043. The next prime is 12103067. The reversal of 12103044 is 44030121.

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

It is not an unprimeable number, because it can be changed into a prime (12103043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 504282 + ... + 504305.

It is an arithmetic number, because the mean of its divisors is an integer number (2353372).

Almost surely, 212103044 is an apocalyptic number.

It is an amenable number.

12103044 is an abundant number, since it is smaller than the sum of its proper divisors (16137420).

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

12103044 is a wasteful number, since it uses less digits than its factorization.

12103044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008594 (or 1008592 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12103044 is about 3478.9429429067. The cubic root of 12103044 is about 229.5962924369.

Adding to 12103044 its reverse (44030121), we get a palindrome (56133165).

The spelling of 12103044 in words is "twelve million, one hundred three thousand, forty-four".

Divisors: 1 2 3 4 6 12 1008587 2017174 3025761 4034348 6051522 12103044