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14440445 = 52888089
BaseRepresentation
bin110111000101…
…011111111101
31000011122120022
4313011133331
512144043240
61233301525
7233512265
oct67053775
930148508
1014440445
118173358
124a048a5
132cb7a56
141cbc7a5
1514039b5
hexdc57fd

14440445 has 4 divisors (see below), whose sum is σ = 17328540. Its totient is φ = 11552352.

The previous prime is 14440409. The next prime is 14440457. The reversal of 14440445 is 54404441.

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 2343961 + 12096484 = 1531^2 + 3478^2 .

It is a cyclic number.

It is not a de Polignac number, because 14440445 - 26 = 14440381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444040 + ... + 1444049.

It is an arithmetic number, because the mean of its divisors is an integer number (4332135).

Almost surely, 214440445 is an apocalyptic number.

It is an amenable number.

14440445 is a deficient number, since it is larger than the sum of its proper divisors (2888095).

14440445 is an equidigital number, since it uses as much as digits as its factorization.

14440445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888094.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 14440445 is about 3800.0585521805. The cubic root of 14440445 is about 243.5156397411.

Adding to 14440445 its reverse (54404441), we get a palindrome (68844886).

The spelling of 14440445 in words is "fourteen million, four hundred forty thousand, four hundred forty-five".

Divisors: 1 5 2888089 14440445