Base | Representation |
---|---|
bin | 1100001101001… |
… | …00111001010100 |
3 | 21010122210221122 |
4 | 12012210321110 |
5 | 202202343114 |
6 | 14054303112 |
7 | 2352164126 |
oct | 606447124 |
9 | 233583848 |
10 | 102387284 |
11 | 5288209a |
12 | 2a357a98 |
13 | 1829b2bc |
14 | d853216 |
15 | 8ec6e8e |
hex | 61a4e54 |
102387284 has 24 divisors (see below), whose sum is σ = 186429600. Its totient is φ = 49142240.
The previous prime is 102387227. The next prime is 102387289. The reversal of 102387284 is 482783201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102387289) 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, 18299 + ... + 23229.
It is an arithmetic number, because the mean of its divisors is an integer number (7767900).
Almost surely, 2102387284 is an apocalyptic number.
It is an amenable number.
102387284 is a deficient number, since it is larger than the sum of its proper divisors (84042316).
102387284 is a wasteful number, since it uses less digits than its factorization.
102387284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5143 (or 5141 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 102387284 is about 10118.6601879893. The cubic root of 102387284 is about 467.8234717866.
The spelling of 102387284 in words is "one hundred two million, three hundred eighty-seven thousand, two hundred eighty-four".
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