Base | Representation |
---|---|
bin | 111010110101011… |
… | …011011010000111 |
3 | 2112210101002021100 |
4 | 322311123122013 |
5 | 4010143200143 |
6 | 241540351143 |
7 | 33314036103 |
oct | 7265333207 |
9 | 2483332240 |
10 | 987084423 |
11 | 467202156 |
12 | 2366a54b3 |
13 | 129667530 |
14 | 95148903 |
15 | 5b9ce6d3 |
hex | 3ad5b687 |
987084423 has 36 divisors (see below), whose sum is σ = 1586774280. Its totient is φ = 587774880.
The previous prime is 987084359. The next prime is 987084431. The reversal of 987084423 is 324480789.
It is not a de Polignac number, because 987084423 - 26 = 987084359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (987084443) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 108048 + ... + 116826.
Almost surely, 2987084423 is an apocalyptic number.
987084423 is a gapful number since it is divisible by the number (93) formed by its first and last digit.
987084423 is a deficient number, since it is larger than the sum of its proper divisors (599689857).
987084423 is a wasteful number, since it uses less digits than its factorization.
987084423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8860 (or 8826 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The square root of 987084423 is about 31417.8997229286. The cubic root of 987084423 is about 995.6761388373.
The spelling of 987084423 in words is "nine hundred eighty-seven million, eighty-four thousand, four hundred twenty-three".
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