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8444894397 = 34852358013
BaseRepresentation
bin1111101110101101…
…01101110010111101
3210210112120002021120
413313112231302331
5114243343110042
63513551221153
7416162263242
oct76726556275
923715502246
108444894397
113643a17175
1217782177b9
13a47772c44
145a17d75c9
153465cadec
hex1f75adcbd

8444894397 has 8 divisors (see below), whose sum is σ = 11260285344. Its totient is φ = 5629716528.

The previous prime is 8444894371. The next prime is 8444894401. The reversal of 8444894397 is 7934984448.

8444894397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8444894397 - 211 = 8444892349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8444894397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444894197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116563 + ... + 174575.

It is an arithmetic number, because the mean of its divisors is an integer number (1407535668).

Almost surely, 28444894397 is an apocalyptic number.

It is an amenable number.

8444894397 is a deficient number, since it is larger than the sum of its proper divisors (2815390947).

8444894397 is a wasteful number, since it uses less digits than its factorization.

8444894397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106539.

The product of its digits is 27869184, while the sum is 60.

The square root of 8444894397 is about 91896.1065388518. The cubic root of 8444894397 is about 2036.4077493637.

The spelling of 8444894397 in words is "eight billion, four hundred forty-four million, eight hundred ninety-four thousand, three hundred ninety-seven".

Divisors: 1 3 48523 58013 145569 174039 2814964799 8444894397