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14442993 = 323151767
BaseRepresentation
bin110111000110…
…000111110001
31000011210001200
4313012013301
512144133433
61233321413
7233522565
oct67060761
930153050
1014442993
118175264
124a06269
132cb8c66
141cbd6a5
151404613
hexdc61f1

14442993 has 12 divisors (see below), whose sum is σ = 21535488. Its totient is φ = 9317880.

The previous prime is 14442949. The next prime is 14442997. The reversal of 14442993 is 39924441.

14442993 is a `hidden beast` number, since 144 + 429 + 93 = 666.

It is not a de Polignac number, because 14442993 - 28 = 14442737 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14442997) 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 11 ways as a sum of consecutive naturals, for example, 25605 + ... + 26162.

It is an arithmetic number, because the mean of its divisors is an integer number (1794624).

Almost surely, 214442993 is an apocalyptic number.

It is an amenable number.

14442993 is a deficient number, since it is larger than the sum of its proper divisors (7092495).

14442993 is a wasteful number, since it uses less digits than its factorization.

14442993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51804 (or 51801 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 14442993 is about 3800.3937953849. The cubic root of 14442993 is about 243.5299615841.

The spelling of 14442993 in words is "fourteen million, four hundred forty-two thousand, nine hundred ninety-three".

Divisors: 1 3 9 31 93 279 51767 155301 465903 1604777 4814331 14442993