Base | Representation |
---|---|
bin | 10111010111011… |
… | …100000101000101 |
3 | 1000022122200202010 |
4 | 113113130011011 |
5 | 1300324122133 |
6 | 102522204433 |
7 | 12500055210 |
oct | 2727340505 |
9 | 1008580663 |
10 | 392020293 |
11 | 191315715 |
12 | ab353719 |
13 | 632a9492 |
14 | 3a0c8777 |
15 | 24639263 |
hex | 175dc145 |
392020293 has 64 divisors (see below), whose sum is σ = 654325760. Its totient is φ = 203793408.
The previous prime is 392020271. The next prime is 392020297.
It is a happy number.
392020293 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 392020293 - 28 = 392020037 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 392020293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (392020297) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1252305 + ... + 1252617.
It is an arithmetic number, because the mean of its divisors is an integer number (10223840).
Almost surely, 2392020293 is an apocalyptic number.
It is an amenable number.
392020293 is a deficient number, since it is larger than the sum of its proper divisors (262305467).
392020293 is a wasteful number, since it uses less digits than its factorization.
392020293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 458.
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 392020293 is about 19799.5023422307. The cubic root of 392020293 is about 731.8737707477.
The spelling of 392020293 in words is "three hundred ninety-two million, twenty thousand, two hundred ninety-three".
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