Base | Representation |
---|---|
bin | 1001100101101… |
… | …10111000010110 |
3 | 12121100211002220 |
4 | 10302312320112 |
5 | 131043101404 |
6 | 11552043210 |
7 | 1664510304 |
oct | 462667026 |
9 | 177324086 |
10 | 80440854 |
11 | 4145244a |
12 | 22b33506 |
13 | 13885c50 |
14 | a97d274 |
15 | 70de4d9 |
hex | 4cb6e16 |
80440854 has 32 divisors (see below), whose sum is σ = 173644800. Its totient is φ = 24695712.
The previous prime is 80440853. The next prime is 80440859. The reversal of 80440854 is 45804408.
It is a super-3 number, since 3×804408543 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80440853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46497 + ... + 48195.
It is an arithmetic number, because the mean of its divisors is an integer number (5426400).
Almost surely, 280440854 is an apocalyptic number.
80440854 is an abundant number, since it is smaller than the sum of its proper divisors (93203946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80440854 is a wasteful number, since it uses less digits than its factorization.
80440854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2324.
The product of its (nonzero) digits is 20480, while the sum is 33.
The square root of 80440854 is about 8968.8825390904. The cubic root of 80440854 is about 431.6769811806.
The spelling of 80440854 in words is "eighty million, four hundred forty thousand, eight hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •