Base | Representation |
---|---|
bin | 1001100100010… |
… | …10110000101100 |
3 | 12121000122012210 |
4 | 10302022300230 |
5 | 131021311030 |
6 | 11544130420 |
7 | 1663125402 |
oct | 462126054 |
9 | 177018183 |
10 | 80260140 |
11 | 413396a4 |
12 | 22a66a10 |
13 | 1382190c |
14 | a933472 |
15 | 70a5bb0 |
hex | 4c8ac2c |
80260140 has 48 divisors (see below), whose sum is σ = 228422880. Its totient is φ = 21050880.
The previous prime is 80260049. The next prime is 80260177. The reversal of 80260140 is 4106208.
It is a super-3 number, since 3×802601403 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305 + ... + 14624.
It is an arithmetic number, because the mean of its divisors is an integer number (4758810).
Almost surely, 280260140 is an apocalyptic number.
It is an amenable number.
80260140 is an abundant number, since it is smaller than the sum of its proper divisors (148162740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80260140 is a wasteful number, since it uses less digits than its factorization.
80260140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22002 (or 22000 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 80260140 is about 8958.8023753178. The cubic root of 80260140 is about 431.3534782140.
Adding to 80260140 its reverse (4106208), we get a palindrome (84366348).
The spelling of 80260140 in words is "eighty million, two hundred sixty thousand, one hundred forty".
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