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8404445 = 571092203
BaseRepresentation
bin100000000011…
…110111011101
3120210222201202
4200003313131
54122420240
6500045245
7131302520
oct40036735
916728652
108404445
114820425
122993825
13198355a
14118abb7
15b10315
hex803ddd

8404445 has 16 divisors (see below), whose sum is σ = 11637120. Its totient is φ = 5707584.

The previous prime is 8404433. The next prime is 8404463. The reversal of 8404445 is 5444048.

8404445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8404445 - 26 = 8404381 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (727320).

Almost surely, 28404445 is an apocalyptic number.

It is an amenable number.

8404445 is a deficient number, since it is larger than the sum of its proper divisors (3232675).

8404445 is a wasteful number, since it uses less digits than its factorization.

8404445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 8404445 is about 2899.0420831716. The cubic root of 8404445 is about 203.3151212450.

The spelling of 8404445 in words is "eight million, four hundred four thousand, four hundred forty-five".

Divisors: 1 5 7 35 109 545 763 2203 3815 11015 15421 77105 240127 1200635 1680889 8404445