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14420449 = 19758971
BaseRepresentation
bin110111000000…
…100111100001
31000010122010201
4313000213201
512142423244
61233025201
7233400061
oct67004741
930118121
1014420449
11815a32a
1249b5201
132cab914
141cb53a1
1513ecad4
hexdc09e1

14420449 has 4 divisors (see below), whose sum is σ = 15179440. Its totient is φ = 13661460.

The previous prime is 14420431. The next prime is 14420459. The reversal of 14420449 is 94402441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14420449 - 217 = 14289377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14420429) 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 3 ways as a sum of consecutive naturals, for example, 379467 + ... + 379504.

It is an arithmetic number, because the mean of its divisors is an integer number (3794860).

Almost surely, 214420449 is an apocalyptic number.

14420449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14420449 is a deficient number, since it is larger than the sum of its proper divisors (758991).

14420449 is an equidigital number, since it uses as much as digits as its factorization.

14420449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758990.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 14420449 is about 3797.4266286526. The cubic root of 14420449 is about 243.4031873427.

It can be divided in two parts, 144 and 20449, that multiplied together give a square (2944656 = 17162).

The spelling of 14420449 in words is "fourteen million, four hundred twenty thousand, four hundred forty-nine".

Divisors: 1 19 758971 14420449