Base | Representation |
---|---|
bin | 1010001001101… |
… | …00010000001110 |
3 | 12221020000001001 |
4 | 11010310100032 |
5 | 133244224221 |
6 | 12241010514 |
7 | 2052515620 |
oct | 504642016 |
9 | 187200031 |
10 | 85148686 |
11 | 44078517 |
12 | 24623a3a |
13 | 14843a4c |
14 | b446c10 |
15 | 771e391 |
hex | 513440e |
85148686 has 16 divisors (see below), whose sum is σ = 149364864. Its totient is φ = 35643384.
The previous prime is 85148681. The next prime is 85148711. The reversal of 85148686 is 68684158.
85148686 is a modest number, since divided by 8686 gives 8514 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85148681) 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, 70120 + ... + 71323.
It is an arithmetic number, because the mean of its divisors is an integer number (9335304).
Almost surely, 285148686 is an apocalyptic number.
85148686 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
85148686 is a deficient number, since it is larger than the sum of its proper divisors (64216178).
85148686 is a wasteful number, since it uses less digits than its factorization.
85148686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141495.
The product of its digits is 368640, while the sum is 46.
The square root of 85148686 is about 9227.6045645660. The cubic root of 85148686 is about 439.9391892544.
The spelling of 85148686 in words is "eighty-five million, one hundred forty-eight thousand, six hundred eighty-six".
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