Base | Representation |
---|---|
bin | 10000101111000… |
… | …01001010100000 |
3 | 100210011012002221 |
4 | 20113201022200 |
5 | 241414223010 |
6 | 21532520424 |
7 | 3323143351 |
oct | 1027411240 |
9 | 323135087 |
10 | 140382880 |
11 | 72273810 |
12 | 3b020114 |
13 | 231126c1 |
14 | 14903d28 |
15 | c4cedda |
hex | 85e12a0 |
140382880 has 144 divisors (see below), whose sum is σ = 378356832. Its totient is φ = 48806400.
The previous prime is 140382877. The next prime is 140382901. The reversal of 140382880 is 88283041.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1691319 + ... + 1691401.
It is an arithmetic number, because the mean of its divisors is an integer number (2627478).
Almost surely, 2140382880 is an apocalyptic number.
140382880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140382880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189178416).
140382880 is an abundant number, since it is smaller than the sum of its proper divisors (237973952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140382880 is a wasteful number, since it uses less digits than its factorization.
140382880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171 (or 132 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 140382880 is about 11848.3281521065. The cubic root of 140382880 is about 519.7223369705.
The spelling of 140382880 in words is "one hundred forty million, three hundred eighty-two thousand, eight hundred eighty".
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