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12104946 = 2327234177
BaseRepresentation
bin101110001011…
…010011110010
3211202222212100
4232023103302
511044324241
61111241230
7204614250
oct56132362
924688770
1012104946
116918697
124079216
13267a9b9
1418715d0
1510e19b6
hexb8b4f2

12104946 has 48 divisors (see below), whose sum is σ = 31284864. Its totient is φ = 3307392.

The previous prime is 12104903. The next prime is 12104947. The reversal of 12104946 is 64940121.

It is not an unprimeable number, because it can be changed into a prime (12104947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (651768).

Almost surely, 212104946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12104946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15642432).

12104946 is an abundant number, since it is smaller than the sum of its proper divisors (19179918).

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

12104946 is a wasteful number, since it uses less digits than its factorization.

12104946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215 (or 4212 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12104946 is about 3479.2162910633. The cubic root of 12104946 is about 229.6083188680.

The spelling of 12104946 in words is "twelve million, one hundred four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 161 207 322 414 483 966 1449 2898 4177 8354 12531 25062 29239 37593 58478 75186 87717 96071 175434 192142 263151 288213 526302 576426 672497 864639 1344994 1729278 2017491 4034982 6052473 12104946