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8444005 = 58320347
BaseRepresentation
bin100000001101…
…100001100101
3120212222222221
4200031201211
54130202010
6500552341
7131526043
oct40154145
916788887
108444005
114848119
1229b26b1
13199856b
14119b393
15b1bdda
hex80d865

8444005 has 8 divisors (see below), whose sum is σ = 10255392. Its totient is φ = 6673488.

The previous prime is 8444003. The next prime is 8444027. The reversal of 8444005 is 5004448.

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

It is a cyclic number.

It is not a de Polignac number, because 8444005 - 21 = 8444003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9759 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (1281924).

Almost surely, 28444005 is an apocalyptic number.

It is an amenable number.

8444005 is a deficient number, since it is larger than the sum of its proper divisors (1811387).

8444005 is a wasteful number, since it uses less digits than its factorization.

8444005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20435.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 8444005 is about 2905.8570164411. The cubic root of 8444005 is about 203.6336256915.

The spelling of 8444005 in words is "eight million, four hundred forty-four thousand, five".

Divisors: 1 5 83 415 20347 101735 1688801 8444005