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12104745 = 352927827
BaseRepresentation
bin101110001011…
…010000101001
3211202222120220
4232023100221
511044322440
61111240253
7204613542
oct56132051
924688526
1012104745
116918524
124079089
13267a893
1418714c9
1510e18d0
hexb8b429

12104745 has 16 divisors (see below), whose sum is σ = 20036160. Its totient is φ = 6233024.

The previous prime is 12104713. The next prime is 12104753. The reversal of 12104745 is 54740121.

It is a cyclic number.

It is not a de Polignac number, because 12104745 - 25 = 12104713 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 13479 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (1252260).

Almost surely, 212104745 is an apocalyptic number.

12104745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12104745 is a deficient number, since it is larger than the sum of its proper divisors (7931415).

12104745 is a wasteful number, since it uses less digits than its factorization.

12104745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 12104745 is about 3479.1874051278. The cubic root of 12104745 is about 229.6070479956.

Adding to 12104745 its reverse (54740121), we get a palindrome (66844866).

The spelling of 12104745 in words is "twelve million, one hundred four thousand, seven hundred forty-five".

Divisors: 1 3 5 15 29 87 145 435 27827 83481 139135 417405 806983 2420949 4034915 12104745