Base | Representation |
---|---|
bin | 1001100111111… |
… | …11101001000000 |
3 | 12121220221220220 |
4 | 10303333221000 |
5 | 131132121010 |
6 | 12002303040 |
7 | 2000161215 |
oct | 463775100 |
9 | 177827826 |
10 | 80738880 |
11 | 41636352 |
12 | 23057a80 |
13 | 1395b7b1 |
14 | aa19b0c |
15 | 714c970 |
hex | 4cffa40 |
80738880 has 112 divisors (see below), whose sum is σ = 264712704. Its totient is φ = 20828160.
The previous prime is 80738873. The next prime is 80738893. The reversal of 80738880 is 8883708.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28404 + ... + 31116.
Almost surely, 280738880 is an apocalyptic number.
80738880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80738880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132356352).
80738880 is an abundant number, since it is smaller than the sum of its proper divisors (183973824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80738880 is a wasteful number, since it uses less digits than its factorization.
80738880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2764 (or 2754 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 80738880 is about 8985.4816231519. The cubic root of 80738880 is about 432.2094320594.
It can be divided in two parts, 80738 and 880, that added together give a palindrome (81618).
The spelling of 80738880 in words is "eighty million, seven hundred thirty-eight thousand, eight hundred eighty".
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