Base | Representation |
---|---|
bin | 1001100100000… |
… | …01000101111111 |
3 | 12120221121220020 |
4 | 10302001011333 |
5 | 131014024133 |
6 | 11543223223 |
7 | 1662602064 |
oct | 462010577 |
9 | 176847806 |
10 | 80220543 |
11 | 41311977 |
12 | 22a47b13 |
13 | 138098a0 |
14 | a922c6b |
15 | 70990b3 |
hex | 4c8117f |
80220543 has 16 divisors (see below), whose sum is σ = 115409280. Its totient is φ = 49271904.
The previous prime is 80220541. The next prime is 80220571. The reversal of 80220543 is 34502208.
It is not a de Polignac number, because 80220543 - 21 = 80220541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80220541) 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 15 ways as a sum of consecutive naturals, for example, 22480 + ... + 25802.
It is an arithmetic number, because the mean of its divisors is an integer number (7213080).
Almost surely, 280220543 is an apocalyptic number.
80220543 is a deficient number, since it is larger than the sum of its proper divisors (35188737).
80220543 is a wasteful number, since it uses less digits than its factorization.
80220543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3958.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 80220543 is about 8956.5921532690. The cubic root of 80220543 is about 431.2825292833.
The spelling of 80220543 in words is "eighty million, two hundred twenty thousand, five hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •