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80675359 = 471716497
BaseRepresentation
bin1001100111100…
…00001000011111
312121210201210021
410303300020133
5131123102414
612001053011
71666505062
oct463601037
9177721707
1080675359
11415a2656
1223027167
13139388cb
14aa008d9
157138c24
hex4cf021f

80675359 has 4 divisors (see below), whose sum is σ = 82391904. Its totient is φ = 78958816.

The previous prime is 80675347. The next prime is 80675377. The reversal of 80675359 is 95357608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80675359 - 211 = 80673311 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 (80675339) 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 3 ways as a sum of consecutive naturals, for example, 858202 + ... + 858295.

It is an arithmetic number, because the mean of its divisors is an integer number (20597976).

Almost surely, 280675359 is an apocalyptic number.

80675359 is a deficient number, since it is larger than the sum of its proper divisors (1716545).

80675359 is a wasteful number, since it uses less digits than its factorization.

80675359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716544.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 80675359 is about 8981.9462812912. The cubic root of 80675359 is about 432.0960559579.

The spelling of 80675359 in words is "eighty million, six hundred seventy-five thousand, three hundred fifty-nine".

Divisors: 1 47 1716497 80675359