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14488889 = 25756377
BaseRepresentation
bin110111010001…
…010100111001
31000021010000112
4313101110321
512202121024
61234314105
7234103442
oct67212471
930233015
1014488889
1181a6798
124a28935
133003b0c
141cd22c9
15141300e
hexdd1539

14488889 has 4 divisors (see below), whose sum is σ = 14545524. Its totient is φ = 14432256.

The previous prime is 14488871. The next prime is 14488931. The reversal of 14488889 is 98888441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7333264 + 7155625 = 2708^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 14488889 - 28 = 14488633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (14488819) 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 3 ways as a sum of consecutive naturals, for example, 27932 + ... + 28445.

It is an arithmetic number, because the mean of its divisors is an integer number (3636381).

Almost surely, 214488889 is an apocalyptic number.

It is an amenable number.

14488889 is a deficient number, since it is larger than the sum of its proper divisors (56635).

14488889 is an equidigital number, since it uses as much as digits as its factorization.

14488889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56634.

The product of its digits is 589824, while the sum is 50.

The square root of 14488889 is about 3806.4273275606. The cubic root of 14488889 is about 243.7876466946.

The spelling of 14488889 in words is "fourteen million, four hundred eighty-eight thousand, eight hundred eighty-nine".

Divisors: 1 257 56377 14488889