Base | Representation |
---|---|
bin | 1100001011001… |
… | …10001001101100 |
3 | 21010011202102010 |
4 | 12011212021230 |
5 | 202121132114 |
6 | 14045001220 |
7 | 2350043634 |
oct | 605461154 |
9 | 233152363 |
10 | 102130284 |
11 | 52716aa3 |
12 | 2a253210 |
13 | 1820b329 |
14 | d7c76c4 |
15 | 8e75c59 |
hex | 616626c |
102130284 has 24 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 34010704.
The previous prime is 102130283. The next prime is 102130297. The reversal of 102130284 is 482031201.
It is a self number, because there is not a number n which added to its sum of digits gives 102130284.
It is not an unprimeable number, because it can be changed into a prime (102130283) 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, 11197 + ... + 18155.
It is an arithmetic number, because the mean of its divisors is an integer number (9938880).
Almost surely, 2102130284 is an apocalyptic number.
It is an amenable number.
102130284 is an abundant number, since it is smaller than the sum of its proper divisors (136402836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102130284 is a wasteful number, since it uses less digits than its factorization.
102130284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8189 (or 8187 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 102130284 is about 10105.9528991580. The cubic root of 102130284 is about 467.4317194643.
Adding to 102130284 its reverse (482031201), we get a palindrome (584161485).
The spelling of 102130284 in words is "one hundred two million, one hundred thirty thousand, two hundred eighty-four".
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