Base | Representation |
---|---|
bin | 110001011110101… |
… | …101111111011101 |
3 | 2010212001021220100 |
4 | 301132231333131 |
5 | 3200003330120 |
6 | 214212411313 |
7 | 26400020256 |
oct | 6136557735 |
9 | 2125037810 |
10 | 830136285 |
11 | 396654750 |
12 | 1b2016b39 |
13 | 102ca4c04 |
14 | 7c371b2d |
15 | 4cd2b490 |
hex | 317adfdd |
830136285 has 72 divisors (see below), whose sum is σ = 1608837984. Its totient is φ = 392696640.
The previous prime is 830136283. The next prime is 830136287. The reversal of 830136285 is 582631038.
It is an interprime number because it is at equal distance from previous prime (830136283) and next prime (830136287).
It is not a de Polignac number, because 830136285 - 21 = 830136283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830136283) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 914802 + ... + 915708.
It is an arithmetic number, because the mean of its divisors is an integer number (22344972).
Almost surely, 2830136285 is an apocalyptic number.
It is an amenable number.
830136285 is a deficient number, since it is larger than the sum of its proper divisors (778701699).
830136285 is a wasteful number, since it uses less digits than its factorization.
830136285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1015 (or 969 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 830136285 is about 28812.0857453951. The cubic root of 830136285 is about 939.8310715750.
It can be divided in two parts, 83013 and 6285, that added together give a palindrome (89298).
The spelling of 830136285 in words is "eight hundred thirty million, one hundred thirty-six thousand, two hundred eighty-five".
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