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85315417 = 1121293643
BaseRepresentation
bin1010001010111…
…00111101011001
312221112110202021
411011130331121
5133320043132
612244334441
72054111665
oct505347531
9187473667
1085315417
1144181810
12246a4421
13148a18c5
14b48b8a5
157753997
hex515cf59

85315417 has 8 divisors (see below), whose sum is σ = 93140640. Its totient is φ = 77501760.

The previous prime is 85315409. The next prime is 85315423. The reversal of 85315417 is 71451358.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85315417 - 23 = 85315409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85315427) 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, 21598 + ... + 25240.

It is an arithmetic number, because the mean of its divisors is an integer number (11642580).

Almost surely, 285315417 is an apocalyptic number.

It is an amenable number.

85315417 is a deficient number, since it is larger than the sum of its proper divisors (7825223).

85315417 is a wasteful number, since it uses less digits than its factorization.

85315417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783.

The product of its digits is 16800, while the sum is 34.

The square root of 85315417 is about 9236.6345061391. The cubic root of 85315417 is about 440.2261526808.

The spelling of 85315417 in words is "eighty-five million, three hundred fifteen thousand, four hundred seventeen".

Divisors: 1 11 2129 3643 23419 40073 7755947 85315417