Base | Representation |
---|---|
bin | 111011100110110… |
… | …011100010000101 |
3 | 2120200201200220221 |
4 | 323212303202011 |
5 | 4022001401133 |
6 | 243122024341 |
7 | 33532046245 |
oct | 7346634205 |
9 | 2520650827 |
10 | 1000028293 |
11 | 473543070 |
12 | 23aaa80b1 |
13 | 12c24a024 |
14 | 96b57b25 |
15 | 5cbd9a2d |
hex | 3b9b3885 |
1000028293 has 16 divisors (see below), whose sum is σ = 1141531776. Its totient is φ = 867176640.
The previous prime is 1000028279. The next prime is 1000028303. The reversal of 1000028293 is 3928200001.
It is not a de Polignac number, because 1000028293 - 25 = 1000028261 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000028203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89071 + ... + 99667.
It is an arithmetic number, because the mean of its divisors is an integer number (71345736).
Almost surely, 21000028293 is an apocalyptic number.
It is an amenable number.
1000028293 is a deficient number, since it is larger than the sum of its proper divisors (141503483).
1000028293 is a wasteful number, since it uses less digits than its factorization.
1000028293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11004.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 1000028293 is about 31623.2239501288. The cubic root of 1000028293 is about 1000.0094309111.
Adding to 1000028293 its reverse (3928200001), we get a palindrome (4928228294).
The spelling of 1000028293 in words is "one billion, twenty-eight thousand, two hundred ninety-three".
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