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12056047 = 671031747
BaseRepresentation
bin101101111111…
…010111101111
3211200111210021
4231333113233
511041243142
61110223011
7204321553
oct55772757
924614707
1012056047
116894983
124054a67
132661673
14185b863
1510d2267
hexb7f5ef

12056047 has 8 divisors (see below), whose sum is σ = 12361856. Its totient is φ = 11754072.

The previous prime is 12056041. The next prime is 12056059. The reversal of 12056047 is 74065021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12056047 - 27 = 12055919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (1545232).

Almost surely, 212056047 is an apocalyptic number.

12056047 is a deficient number, since it is larger than the sum of its proper divisors (305809).

12056047 is a wasteful number, since it uses less digits than its factorization.

12056047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12056047 is about 3472.1818788767. The cubic root of 12056047 is about 229.2987272481.

The spelling of 12056047 in words is "twelve million, fifty-six thousand, forty-seven".

Divisors: 1 67 103 1747 6901 117049 179941 12056047