Base | Representation |
---|---|
bin | 10000110011010… |
… | …00110111100000 |
3 | 100211012102120121 |
4 | 20121220313200 |
5 | 242040014340 |
6 | 21552450024 |
7 | 3330650026 |
oct | 1031506740 |
9 | 324172517 |
10 | 140938720 |
11 | 7261338a |
12 | 3b249914 |
13 | 232786c0 |
14 | 14a0a716 |
15 | c58e94a |
hex | 8668de0 |
140938720 has 48 divisors (see below), whose sum is σ = 358585920. Its totient is φ = 52038144.
The previous prime is 140938697. The next prime is 140938739. The reversal of 140938720 is 27839041.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31800 + ... + 35959.
It is an arithmetic number, because the mean of its divisors is an integer number (7470540).
Almost surely, 2140938720 is an apocalyptic number.
140938720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140938720 is an abundant number, since it is smaller than the sum of its proper divisors (217647200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140938720 is a wasteful number, since it uses less digits than its factorization.
140938720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67787 (or 67779 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 140938720 is about 11871.7614531290. The cubic root of 140938720 is about 520.4073730843.
The spelling of 140938720 in words is "one hundred forty million, nine hundred thirty-eight thousand, seven hundred twenty".
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