Base | Representation |
---|---|
bin | 10000110010000… |
… | …10011110110000 |
3 | 100210220102220012 |
4 | 20121002132300 |
5 | 242020001423 |
6 | 21545234052 |
7 | 3326423441 |
oct | 1031023660 |
9 | 323812805 |
10 | 140781488 |
11 | 72516241 |
12 | 3b192928 |
13 | 23221c73 |
14 | 149a92c8 |
15 | c55d078 |
hex | 86427b0 |
140781488 has 40 divisors (see below), whose sum is σ = 304020720. Its totient is φ = 62760960.
The previous prime is 140781467. The next prime is 140781499. The reversal of 140781488 is 884187041.
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, 8453 + ... + 18788.
It is an arithmetic number, because the mean of its divisors is an integer number (7600518).
Almost surely, 2140781488 is an apocalyptic number.
It is an amenable number.
140781488 is an abundant number, since it is smaller than the sum of its proper divisors (163239232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140781488 is a wasteful number, since it uses less digits than its factorization.
140781488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27285 (or 27279 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 41.
The square root of 140781488 is about 11865.1375044708. The cubic root of 140781488 is about 520.2137779791.
The spelling of 140781488 in words is "one hundred forty million, seven hundred eighty-one thousand, four hundred eighty-eight".
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