Base | Representation |
---|---|
bin | 1100010000001… |
… | …11000100001000 |
3 | 21011102020112020 |
4 | 12020013010020 |
5 | 202303230014 |
6 | 14111044440 |
7 | 2355460335 |
oct | 610070410 |
9 | 234366466 |
10 | 102789384 |
11 | 53027205 |
12 | 2a510720 |
13 | 183ac329 |
14 | d91998c |
15 | 90561a9 |
hex | 6207108 |
102789384 has 32 divisors (see below), whose sum is σ = 257339040. Its totient is φ = 34214400.
The previous prime is 102789371. The next prime is 102789389. The reversal of 102789384 is 483987201.
It is not an unprimeable number, because it can be changed into a prime (102789389) 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, 16824 + ... + 22104.
It is an arithmetic number, because the mean of its divisors is an integer number (8041845).
Almost surely, 2102789384 is an apocalyptic number.
It is an amenable number.
102789384 is an abundant number, since it is smaller than the sum of its proper divisors (154549656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102789384 is a wasteful number, since it uses less digits than its factorization.
102789384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6101 (or 6097 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 102789384 is about 10138.5099496918. The cubic root of 102789384 is about 468.4350910319.
The spelling of 102789384 in words is "one hundred two million, seven hundred eighty-nine thousand, three hundred eighty-four".
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