Base | Representation |
---|---|
bin | 1001100110000… |
… | …10000101010000 |
3 | 12121110011001020 |
4 | 10303002011100 |
5 | 131101033421 |
6 | 11553035440 |
7 | 1665061131 |
oct | 463020520 |
9 | 177404036 |
10 | 80486736 |
11 | 41483970 |
12 | 22b55b80 |
13 | 138a0ab5 |
14 | a991c88 |
15 | 70ecdc6 |
hex | 4cc2150 |
80486736 has 160 divisors (see below), whose sum is σ = 244270080. Its totient is φ = 22579200.
The previous prime is 80486711. The next prime is 80486737. The reversal of 80486736 is 63768408.
It is a super-2 number, since 2×804867362 = 12956229343867392, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80486737) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712216 + ... + 712328.
It is an arithmetic number, because the mean of its divisors is an integer number (1526688).
Almost surely, 280486736 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 80486736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122135040).
80486736 is an abundant number, since it is smaller than the sum of its proper divisors (163783344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80486736 is a wasteful number, since it uses less digits than its factorization.
80486736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 80486736 is about 8971.4400181911. The cubic root of 80486736 is about 431.7590391473.
The spelling of 80486736 in words is "eighty million, four hundred eighty-six thousand, seven hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •