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8549829089 = 30612793149
BaseRepresentation
bin1111111011001110…
…00000100111100001
3211001212000022121122
413331213000213201
5120002224012324
63532220302025
7421605230264
oct77547004741
924055008548
108549829089
11369817915a
1217a73a1915
13a63423889
145b1710cdb
15350907a5e
hex1fd9c09e1

8549829089 has 4 divisors (see below), whose sum is σ = 8552625300. Its totient is φ = 8547032880.

The previous prime is 8549829061. The next prime is 8549829107. The reversal of 8549829089 is 9809289458.

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 5991998464 + 2557830625 = 77408^2 + 50575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8549829089 is a prime.

It is a super-2 number, since 2×85498290892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8549829059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393514 + ... + 1399635.

It is an arithmetic number, because the mean of its divisors is an integer number (2138156325).

Almost surely, 28549829089 is an apocalyptic number.

It is an amenable number.

8549829089 is a deficient number, since it is larger than the sum of its proper divisors (2796211).

8549829089 is a wasteful number, since it uses less digits than its factorization.

8549829089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796210.

The product of its (nonzero) digits is 14929920, while the sum is 62.

The square root of 8549829089 is about 92465.2858590725. The cubic root of 8549829089 is about 2044.8077276921.

The spelling of 8549829089 in words is "eight billion, five hundred forty-nine million, eight hundred twenty-nine thousand, eighty-nine".

Divisors: 1 3061 2793149 8549829089