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85304343 = 331917251
BaseRepresentation
bin1010001010110…
…10010000010111
312221111220120010
411011122100113
5133314214333
612244211303
72054034465
oct505322027
9187456503
1085304343
1144174463
1224699b33
1314899857
14b487835
157750563
hex515a417

85304343 has 8 divisors (see below), whose sum is σ = 117408256. Its totient is φ = 55035000.

The previous prime is 85304311. The next prime is 85304347. The reversal of 85304343 is 34340358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85304343 - 25 = 85304311 is a prime.

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 85304343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85304347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458533 + ... + 458718.

It is an arithmetic number, because the mean of its divisors is an integer number (14676032).

Almost surely, 285304343 is an apocalyptic number.

85304343 is a deficient number, since it is larger than the sum of its proper divisors (32103913).

85304343 is a wasteful number, since it uses less digits than its factorization.

85304343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917285.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 85304343 is about 9236.0350259189. The cubic root of 85304343 is about 440.2071046371.

The spelling of 85304343 in words is "eighty-five million, three hundred four thousand, three hundred forty-three".

Divisors: 1 3 31 93 917251 2751753 28434781 85304343