Base | Representation |
---|---|
bin | 1010010001100… |
… | …00101111011110 |
3 | 20000011112200110 |
4 | 11020300233132 |
5 | 134030323003 |
6 | 12315110450 |
7 | 2064354015 |
oct | 510605736 |
9 | 200145613 |
10 | 86182878 |
11 | 44714521 |
12 | 24a42426 |
13 | 14b166b2 |
14 | b635a7c |
15 | 7875a03 |
hex | 5230bde |
86182878 has 16 divisors (see below), whose sum is σ = 173005056. Its totient is φ = 28621080.
The previous prime is 86182871. The next prime is 86182897. The reversal of 86182878 is 87828168.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86182871) 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, 24876 + ... + 28127.
It is an arithmetic number, because the mean of its divisors is an integer number (10812816).
Almost surely, 286182878 is an apocalyptic number.
86182878 is an abundant number, since it is smaller than the sum of its proper divisors (86822178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86182878 is a wasteful number, since it uses less digits than its factorization.
86182878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53279.
The product of its digits is 344064, while the sum is 48.
The square root of 86182878 is about 9283.4733801525. The cubic root of 86182878 is about 441.7131524032.
It can be divided in two parts, 8 and 6182878, that added together give a triangular number (6182886 = T3516).
The spelling of 86182878 in words is "eighty-six million, one hundred eighty-two thousand, eight hundred seventy-eight".
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