Base | Representation |
---|---|
bin | 1010010110111… |
… | …00110110100101 |
3 | 20001111100201100 |
4 | 11023130312211 |
5 | 134220402340 |
6 | 12342150313 |
7 | 2103351222 |
oct | 513346645 |
9 | 201440640 |
10 | 86887845 |
11 | 45056140 |
12 | 25122399 |
13 | 15002535 |
14 | b77a949 |
15 | 7964830 |
hex | 52dcda5 |
86887845 has 48 divisors (see below), whose sum is σ = 165177792. Its totient is φ = 41902080.
The previous prime is 86887841. The next prime is 86887849. The reversal of 86887845 is 54878868.
It is an interprime number because it is at equal distance from previous prime (86887841) and next prime (86887849).
It is not a de Polignac number, because 86887845 - 22 = 86887841 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 86887791 and 86887800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86887841) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126874 + ... + 127556.
It is an arithmetic number, because the mean of its divisors is an integer number (3441204).
Almost surely, 286887845 is an apocalyptic number.
It is an amenable number.
86887845 is a deficient number, since it is larger than the sum of its proper divisors (78289947).
86887845 is a wasteful number, since it uses less digits than its factorization.
86887845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 962 (or 959 counting only the distinct ones).
The product of its digits is 3440640, while the sum is 54.
The square root of 86887845 is about 9321.3649751525. The cubic root of 86887845 is about 442.9142725713.
The spelling of 86887845 in words is "eighty-six million, eight hundred eighty-seven thousand, eight hundred forty-five".
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