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75685343 = 172261887
BaseRepresentation
bin1001000001011…
…01110111011111
312021102012202212
410200231313133
5123333412333
611302111035
71606212656
oct440556737
9167365685
1075685343
11397a4578
122141b47b
13128ac536
14a0a219d
1569a0448
hex482dddf

75685343 has 6 divisors (see below), whose sum is σ = 80399616. Its totient is φ = 71232992.

The previous prime is 75685339. The next prime is 75685391. The reversal of 75685343 is 34358657.

It is not a de Polignac number, because 75685343 - 22 = 75685339 is a prime.

It is a super-2 number, since 2×756853432 = 11456542290055298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75685343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75685843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130655 + ... + 131232.

It is an arithmetic number, because the mean of its divisors is an integer number (13399936).

Almost surely, 275685343 is an apocalyptic number.

75685343 is a deficient number, since it is larger than the sum of its proper divisors (4714273).

75685343 is a wasteful number, since it uses less digits than its factorization.

75685343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261921 (or 261904 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 75685343 is about 8699.7323522049. The cubic root of 75685343 is about 422.9969745698.

The spelling of 75685343 in words is "seventy-five million, six hundred eighty-five thousand, three hundred forty-three".

Divisors: 1 17 289 261887 4452079 75685343