Base | Representation |
---|---|
bin | 1001101001001… |
… | …10000101000000 |
3 | 12122012221220000 |
4 | 10310212011000 |
5 | 131202140240 |
6 | 12005520000 |
7 | 2001415221 |
oct | 464460500 |
9 | 178187800 |
10 | 80896320 |
11 | 4173366a |
12 | 23113000 |
13 | 139b535b |
14 | aa5b248 |
15 | 717e430 |
hex | 4d26140 |
80896320 has 140 divisors (see below), whose sum is σ = 287854644. Its totient is φ = 21565440.
The previous prime is 80896301. The next prime is 80896327. The reversal of 80896320 is 2369808.
It can be written as a sum of positive squares in 2 ways, for example, as 8714304 + 72182016 = 2952^2 + 8496^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80896327) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24360 + ... + 27480.
Almost surely, 280896320 is an apocalyptic number.
80896320 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 80896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143927322).
80896320 is an abundant number, since it is smaller than the sum of its proper divisors (206958324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80896320 is a wasteful number, since it uses less digits than its factorization.
80896320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3150 (or 3131 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 80896320 is about 8994.2381556194. The cubic root of 80896320 is about 432.4901843251.
The spelling of 80896320 in words is "eighty million, eight hundred ninety-six thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •