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8200447093 = 72421113233
BaseRepresentation
bin1111010001100100…
…01110010001110101
3210011111120212121201
413220302032101311
5113243303301333
63433420012501
7410133436006
oct75062162165
923144525551
108200447093
113528a36303
12170a391131
13a08c25a77
1457b1651ad
1532ede217d
hex1e8c8e475

8200447093 has 4 divisors (see below), whose sum is σ = 8200632748. Its totient is φ = 8200261440.

The previous prime is 8200447091. The next prime is 8200447121. The reversal of 8200447093 is 3907440028.

It is a happy number.

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 2032386724 + 6168060369 = 45082^2 + 78537^2 .

It is a cyclic number.

It is not a de Polignac number, because 8200447093 - 21 = 8200447091 is a prime.

It is a super-4 number, since 4×82004470934 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200447091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15805 + ... + 129037.

It is an arithmetic number, because the mean of its divisors is an integer number (2050158187).

Almost surely, 28200447093 is an apocalyptic number.

It is an amenable number.

8200447093 is a deficient number, since it is larger than the sum of its proper divisors (185655).

8200447093 is a wasteful number, since it uses less digits than its factorization.

8200447093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185654.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 8200447093 is about 90556.3200058395. The cubic root of 8200447093 is about 2016.5663239952.

The spelling of 8200447093 in words is "eight billion, two hundred million, four hundred forty-seven thousand, ninety-three".

Divisors: 1 72421 113233 8200447093