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14212105 = 53191691
BaseRepresentation
bin110110001101…
…110000001001
3222202001100021
4312031300021
512114241410
61224340441
7231541465
oct66156011
928661307
1014212105
118027846
124914721
132c37b3b
141c5d4a5
1513aaeda
hexd8dc09

14212105 has 8 divisors (see below), whose sum is σ = 17604864. Its totient is φ = 11002800.

The previous prime is 14212103. The next prime is 14212127. The reversal of 14212105 is 50121241.

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

It is not a de Polignac number, because 14212105 - 21 = 14212103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14212103) 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 7 ways as a sum of consecutive naturals, for example, 45691 + ... + 46000.

It is an arithmetic number, because the mean of its divisors is an integer number (2200608).

Almost surely, 214212105 is an apocalyptic number.

It is an amenable number.

14212105 is a deficient number, since it is larger than the sum of its proper divisors (3392759).

14212105 is an equidigital number, since it uses as much as digits as its factorization.

14212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91727.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 14212105 is about 3769.8945608598. The cubic root of 14212105 is about 242.2252814176.

Adding to 14212105 its reverse (50121241), we get a palindrome (64333346).

The spelling of 14212105 in words is "fourteen million, two hundred twelve thousand, one hundred five".

Divisors: 1 5 31 155 91691 458455 2842421 14212105