Base | Representation |
---|---|
bin | 10000110010110… |
… | …10110111010000 |
3 | 100211002111220011 |
4 | 20121122313100 |
5 | 242031200420 |
6 | 21551324304 |
7 | 3330320554 |
oct | 1031326720 |
9 | 324074804 |
10 | 140881360 |
11 | 72584284 |
12 | 3b220694 |
13 | 23258569 |
14 | 149d3864 |
15 | c57c95a |
hex | 865add0 |
140881360 has 40 divisors (see below), whose sum is σ = 338121216. Its totient is φ = 54533760.
The previous prime is 140881357. The next prime is 140881361. The reversal of 140881360 is 63188041.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140881361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25924 + ... + 30883.
Almost surely, 2140881360 is an apocalyptic number.
140881360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140881360 is an abundant number, since it is smaller than the sum of its proper divisors (197239856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140881360 is a wasteful number, since it uses less digits than its factorization.
140881360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56851 (or 56845 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 140881360 is about 11869.3453905428. The cubic root of 140881360 is about 520.3367641052.
The spelling of 140881360 in words is "one hundred forty million, eight hundred eighty-one thousand, three hundred sixty".
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