Base | Representation |
---|---|
bin | 1001100101110… |
… | …11010001110100 |
3 | 12121101201211002 |
4 | 10302323101310 |
5 | 131044140433 |
6 | 11552302432 |
7 | 1664613650 |
oct | 462732164 |
9 | 177351732 |
10 | 80458868 |
11 | 41464a36 |
12 | 22b41a18 |
13 | 138911c9 |
14 | a985a60 |
15 | 70e49e8 |
hex | 4cbb474 |
80458868 has 36 divisors (see below), whose sum is σ = 165463200. Its totient is φ = 33534432.
The previous prime is 80458849. The next prime is 80458871. The reversal of 80458868 is 86885408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37283 + ... + 39381.
It is an arithmetic number, because the mean of its divisors is an integer number (4596200).
Almost surely, 280458868 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 80458868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82731600).
80458868 is an abundant number, since it is smaller than the sum of its proper divisors (85004332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80458868 is a wasteful number, since it uses less digits than its factorization.
80458868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2184 (or 2145 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 47.
The square root of 80458868 is about 8969.8867328412. The cubic root of 80458868 is about 431.7092021577.
The spelling of 80458868 in words is "eighty million, four hundred fifty-eight thousand, eight hundred sixty-eight".
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