Base | Representation |
---|---|
bin | 1010001001011… |
… | …11000100101111 |
3 | 12221011220221022 |
4 | 11010233010233 |
5 | 133243034341 |
6 | 12240324355 |
7 | 2052400022 |
oct | 504570457 |
9 | 187156838 |
10 | 85127471 |
11 | 44063590 |
12 | 246136bb |
13 | 148371b0 |
14 | b43d1b9 |
15 | 7717e4b |
hex | 512f12f |
85127471 has 16 divisors (see below), whose sum is σ = 100427040. Its totient is φ = 71137920.
The previous prime is 85127447. The next prime is 85127473. The reversal of 85127471 is 17472158.
It is a cyclic number.
It is not a de Polignac number, because 85127471 - 26 = 85127407 is a prime.
It is a super-3 number, since 3×851274713 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85127473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37361 + ... + 39573.
It is an arithmetic number, because the mean of its divisors is an integer number (6276690).
Almost surely, 285127471 is an apocalyptic number.
85127471 is a deficient number, since it is larger than the sum of its proper divisors (15299569).
85127471 is a wasteful number, since it uses less digits than its factorization.
85127471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2506.
The product of its digits is 15680, while the sum is 35.
The square root of 85127471 is about 9226.4549530142. The cubic root of 85127471 is about 439.9026489170.
The spelling of 85127471 in words is "eighty-five million, one hundred twenty-seven thousand, four hundred seventy-one".
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