Base | Representation |
---|---|
bin | 1001101000001… |
… | …01101101100110 |
3 | 12121222020001000 |
4 | 10310011231212 |
5 | 131133420000 |
6 | 12003014130 |
7 | 2000323554 |
oct | 464055546 |
9 | 177866030 |
10 | 80763750 |
11 | 41653001 |
12 | 2306a346 |
13 | 13969c02 |
14 | aa24bd4 |
15 | 7155000 |
hex | 4d05b66 |
80763750 has 80 divisors (see below), whose sum is σ = 224365680. Its totient is φ = 21528000.
The previous prime is 80763733. The next prime is 80763751. The reversal of 80763750 is 5736708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80763751) 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 39 ways as a sum of consecutive naturals, for example, 32554 + ... + 34946.
It is an arithmetic number, because the mean of its divisors is an integer number (2804571).
Almost surely, 280763750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80763750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112182840).
80763750 is an abundant number, since it is smaller than the sum of its proper divisors (143601930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80763750 is a wasteful number, since it uses less digits than its factorization.
80763750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2424 (or 2403 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 80763750 is about 8986.8654157053. The cubic root of 80763750 is about 432.2538053323.
The spelling of 80763750 in words is "eighty million, seven hundred sixty-three thousand, seven hundred fifty".
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