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4444445 = 56713267
BaseRepresentation
bin10000111101000100011101
322100210122002
4100331010131
52114210240
6235132045
752530365
oct20750435
98323562
104444445
1125661a5
1215a4025
13bc7c65
148399a5
155cbd15
hex43d11d

4444445 has 8 divisors (see below), whose sum is σ = 5413344. Its totient is φ = 3502224.

The previous prime is 4444409. The next prime is 4444469. The reversal of 4444445 is 5444444.

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

It is not a de Polignac number, because 4444445 - 26 = 4444381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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, 6299 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (676668).

Almost surely, 24444445 is an apocalyptic number.

It is an amenable number.

4444445 is a deficient number, since it is larger than the sum of its proper divisors (968899).

4444445 is a wasteful number, since it uses less digits than its factorization.

4444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339.

The product of its digits is 20480, while the sum is 29.

The square root of 4444445 is about 2108.1852385405. The cubic root of 4444445 is about 164.4141451393.

Adding to 4444445 its reverse (5444444), we get a palindrome (9888889).

Subtracting 4444445 from its reverse (5444444), we obtain a palindrome (999999).

The spelling of 4444445 in words is "four million, four hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 67 335 13267 66335 888889 4444445