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85696171 = 1112761343
BaseRepresentation
bin1010001101110…
…01111010101011
312222020211001021
411012321322223
5133414234141
612300433311
72060256031
oct506717253
9188224037
1085696171
1144411890
1224848837
13149a5cc2
14b54a551
1577cb6d1
hex51b9eab

85696171 has 8 divisors (see below), whose sum is σ = 94224384. Its totient is φ = 77290920.

The previous prime is 85696159. The next prime is 85696211. The reversal of 85696171 is 17169658.

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 85696171 - 27 = 85696043 is a prime.

It is a super-2 number, since 2×856961712 = 14687667448122482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85696111) 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, 29275 + ... + 32068.

It is an arithmetic number, because the mean of its divisors is an integer number (11778048).

Almost surely, 285696171 is an apocalyptic number.

85696171 is a deficient number, since it is larger than the sum of its proper divisors (8528213).

85696171 is a wasteful number, since it uses less digits than its factorization.

85696171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61481.

The product of its digits is 90720, while the sum is 43.

The square root of 85696171 is about 9257.2226396474. Note that the first 3 decimals coincide. The cubic root of 85696171 is about 440.8800756450.

The spelling of 85696171 in words is "eighty-five million, six hundred ninety-six thousand, one hundred seventy-one".

Divisors: 1 11 127 1397 61343 674773 7790561 85696171