Base | Representation |
---|---|
bin | 10000101111011… |
… | …00101110001000 |
3 | 100210020121001010 |
4 | 20113230232020 |
5 | 241422231331 |
6 | 21533523520 |
7 | 3323431353 |
oct | 1027545610 |
9 | 323217033 |
10 | 140430216 |
11 | 722a6333 |
12 | 3b0435a0 |
13 | 2312b104 |
14 | 1491729a |
15 | c4dde46 |
hex | 85ecb88 |
140430216 has 64 divisors (see below), whose sum is σ = 370886400. Its totient is φ = 44186688.
The previous prime is 140430211. The next prime is 140430229. The reversal of 140430216 is 612034041.
It is a junction number, because it is equal to n+sod(n) for n = 140430192 and 140430201.
It is not an unprimeable number, because it can be changed into a prime (140430211) 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 15 ways as a sum of consecutive naturals, for example, 249151 + ... + 249713.
It is an arithmetic number, because the mean of its divisors is an integer number (5795100).
Almost surely, 2140430216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140430216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185443200).
140430216 is an abundant number, since it is smaller than the sum of its proper divisors (230456184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140430216 is a wasteful number, since it uses less digits than its factorization.
140430216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 140430216 is about 11850.3255651480. The cubic root of 140430216 is about 519.7807458304.
Adding to 140430216 its reverse (612034041), we get a palindrome (752464257).
The spelling of 140430216 in words is "one hundred forty million, four hundred thirty thousand, two hundred sixteen".
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