Base | Representation |
---|---|
bin | 1010010111010… |
… | …10000010110100 |
3 | 20001121002211111 |
4 | 11023222002310 |
5 | 134224120001 |
6 | 12343244404 |
7 | 2103664600 |
oct | 513520264 |
9 | 201532744 |
10 | 86941876 |
11 | 4509279a |
12 | 25149704 |
13 | 15020cc8 |
14 | b792500 |
15 | 7975851 |
hex | 52ea0b4 |
86941876 has 72 divisors (see below), whose sum is σ = 190035720. Its totient is φ = 34578432.
The previous prime is 86941871. The next prime is 86941901. The reversal of 86941876 is 67814968.
It can be written as a sum of positive squares in 4 ways, for example, as 5400976 + 81540900 = 2324^2 + 9030^2 .
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86941871) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323070 + ... + 323338.
It is an arithmetic number, because the mean of its divisors is an integer number (2639385).
Almost surely, 286941876 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86941876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95017860).
86941876 is an abundant number, since it is smaller than the sum of its proper divisors (103093844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86941876 is a wasteful number, since it uses less digits than its factorization.
86941876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401 (or 392 counting only the distinct ones).
The product of its digits is 580608, while the sum is 49.
The square root of 86941876 is about 9324.2627590604. The cubic root of 86941876 is about 443.0060619437.
The spelling of 86941876 in words is "eighty-six million, nine hundred forty-one thousand, eight hundred seventy-six".
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