Base | Representation |
---|---|
bin | 1001100110001… |
… | …11001110011000 |
3 | 12121111012221101 |
4 | 10303013032120 |
5 | 131102222200 |
6 | 11553321144 |
7 | 1665206422 |
oct | 463071630 |
9 | 177435841 |
10 | 80507800 |
11 | 4149877a |
12 | 22b661b4 |
13 | 138aa569 |
14 | a999812 |
15 | 710426a |
hex | 4cc7398 |
80507800 has 48 divisors (see below), whose sum is σ = 190278000. Its totient is φ = 31670400.
The previous prime is 80507773. The next prime is 80507809. The reversal of 80507800 is 870508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80507809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8901 + ... + 15499.
It is an arithmetic number, because the mean of its divisors is an integer number (3964125).
Almost surely, 280507800 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 80507800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95139000).
80507800 is an abundant number, since it is smaller than the sum of its proper divisors (109770200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80507800 is a wasteful number, since it uses less digits than its factorization.
80507800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6676 (or 6667 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 80507800 is about 8972.6138889401. The cubic root of 80507800 is about 431.7967007530.
The spelling of 80507800 in words is "eighty million, five hundred seven thousand, eight hundred".
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