Base | Representation |
---|---|
bin | 1010101100011011… |
… | …1011011101111110 |
3 | 21102001202201001010 |
4 | 2223012323131332 |
5 | 21334401023012 |
6 | 1152505300050 |
7 | 131065502115 |
oct | 25306733576 |
9 | 7361681033 |
10 | 2870720382 |
11 | 12434a0792 |
12 | 681494626 |
13 | 36998b91a |
14 | 1d3392c7c |
15 | 11c058c3c |
hex | ab1bb77e |
2870720382 has 16 divisors (see below), whose sum is σ = 5939421840. Its totient is φ = 923909952.
The previous prime is 2870720341. The next prime is 2870720389. The reversal of 2870720382 is 2830270782.
It is a self number, because there is not a number n which added to its sum of digits gives 2870720382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2870720389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8249023 + ... + 8249370.
It is an arithmetic number, because the mean of its divisors is an integer number (371213865).
Almost surely, 22870720382 is an apocalyptic number.
2870720382 is an abundant number, since it is smaller than the sum of its proper divisors (3068701458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870720382 is a wasteful number, since it uses less digits than its factorization.
2870720382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16498427.
The product of its (nonzero) digits is 75264, while the sum is 39.
The square root of 2870720382 is about 53579.1039678717. The cubic root of 2870720382 is about 1421.2275937954.
Subtracting from 2870720382 its reverse (2830270782), we obtain a square (40449600 = 63602).
The spelling of 2870720382 in words is "two billion, eight hundred seventy million, seven hundred twenty thousand, three hundred eighty-two".
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