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80383589 = 11133118133
BaseRepresentation
bin1001100101010…
…00111001100101
312121020220112222
410302220321211
5131034233324
611550522125
71664151326
oct462507145
9177226488
1080383589
1141413420
1222b06345
1313865b70
14a96644d
1570cc55e
hex4ca8e65

80383589 has 16 divisors (see below), whose sum is σ = 97488384. Its totient is φ = 65275200.

The previous prime is 80383579. The next prime is 80383607. The reversal of 80383589 is 98538308.

It is a cyclic number.

It is not a de Polignac number, because 80383589 - 212 = 80379493 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 (80383579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4634 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (6093024).

Almost surely, 280383589 is an apocalyptic number.

It is an amenable number.

80383589 is a deficient number, since it is larger than the sum of its proper divisors (17104795).

80383589 is a wasteful number, since it uses less digits than its factorization.

80383589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 80383589 is about 8965.6895440340. The cubic root of 80383589 is about 431.5745214255.

The spelling of 80383589 in words is "eighty million, three hundred eighty-three thousand, five hundred eighty-nine".

Divisors: 1 11 13 31 143 341 403 4433 18133 199463 235729 562123 2593019 6183353 7307599 80383589