Base | Representation |
---|---|
bin | 1001100101000… |
… | …01101111000000 |
3 | 12121012102021222 |
4 | 10302201233000 |
5 | 131032313430 |
6 | 11550134212 |
7 | 1663666631 |
oct | 462415700 |
9 | 177172258 |
10 | 80354240 |
11 | 413a336a |
12 | 22ab1368 |
13 | 138556b5 |
14 | a959888 |
15 | 70c39e5 |
hex | 4ca1bc0 |
80354240 has 56 divisors (see below), whose sum is σ = 202612752. Its totient is φ = 30248960.
The previous prime is 80354237. The next prime is 80354251. The reversal of 80354240 is 4245308.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 12825.
Almost surely, 280354240 is an apocalyptic number.
80354240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80354240 is an abundant number, since it is smaller than the sum of its proper divisors (122258512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80354240 is a wasteful number, since it uses less digits than its factorization.
80354240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14805 (or 14795 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 80354240 is about 8964.0526549101. The cubic root of 80354240 is about 431.5219907094.
Adding to 80354240 its reverse (4245308), we get a palindrome (84599548).
The spelling of 80354240 in words is "eighty million, three hundred fifty-four thousand, two hundred forty".
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