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12106047 = 38945341
BaseRepresentation
bin101110001011…
…100100111111
3211210001101010
4232023210333
511044343142
61111250303
7204620412
oct56134477
924701333
1012106047
1169194a8
124079993
13267b355
141871b79
1510e1e9c
hexb8b93f

12106047 has 8 divisors (see below), whose sum is σ = 16323120. Its totient is φ = 7979840.

The previous prime is 12106043. The next prime is 12106049. The reversal of 12106047 is 74060121.

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 12106047 - 22 = 12106043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22404 + ... + 22937.

It is an arithmetic number, because the mean of its divisors is an integer number (2040390).

Almost surely, 212106047 is an apocalyptic number.

12106047 is a deficient number, since it is larger than the sum of its proper divisors (4217073).

12106047 is an equidigital number, since it uses as much as digits as its factorization.

12106047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45433.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12106047 is about 3479.3745127537. The cubic root of 12106047 is about 229.6152799646.

Adding to 12106047 its reverse (74060121), we get a palindrome (86166168).

The spelling of 12106047 in words is "twelve million, one hundred six thousand, forty-seven".

Divisors: 1 3 89 267 45341 136023 4035349 12106047