Base | Representation |
---|---|
bin | 1010001111001… |
… | …00100111001000 |
3 | 12222120200221012 |
4 | 11013210213020 |
5 | 133440333143 |
6 | 12304303052 |
7 | 2061614624 |
oct | 507444710 |
9 | 188520835 |
10 | 85871048 |
11 | 4452120a |
12 | 24911a88 |
13 | 14a37793 |
14 | b594184 |
15 | 7813418 |
hex | 51e49c8 |
85871048 has 16 divisors (see below), whose sum is σ = 161112780. Its totient is φ = 42907648.
The previous prime is 85871041. The next prime is 85871057. The reversal of 85871048 is 84017858.
It can be written as a sum of positive squares in 2 ways, for example, as 79530724 + 6340324 = 8918^2 + 2518^2 .
It is a super-3 number, since 3×858710483 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 85870996 and 85871014.
It is not an unprimeable number, because it can be changed into a prime (85871041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16040 + ... + 20712.
Almost surely, 285871048 is an apocalyptic number.
It is an amenable number.
85871048 is a deficient number, since it is larger than the sum of its proper divisors (75241732).
85871048 is a wasteful number, since it uses less digits than its factorization.
85871048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6976 (or 6972 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 41.
The square root of 85871048 is about 9266.6632613903. The cubic root of 85871048 is about 441.1797677571.
The spelling of 85871048 in words is "eighty-five million, eight hundred seventy-one thousand, forty-eight".
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