| Base | Representation |
|---|---|
| bin | 111010110111100… |
| … | …111000010001000 |
| 3 | 2112211110010210000 |
| 4 | 322313213002020 |
| 5 | 4010320000303 |
| 6 | 242000523000 |
| 7 | 33321640341 |
| oct | 7267470210 |
| 9 | 2484403700 |
| 10 | 987656328 |
| 11 | 4675628aa |
| 12 | 236920460 |
| 13 | 129807939 |
| 14 | 952570c8 |
| 15 | 5ba93da3 |
| hex | 3ade7088 |
987656328 has 160 divisors (see below), whose sum is σ = 2945527200. Its totient is φ = 308302848.
The previous prime is 987656323. The next prime is 987656333. The reversal of 987656328 is 823656789.
It is a happy number.
987656328 is a `hidden beast` number, since 9 + 8 + 76 + 563 + 2 + 8 = 666.
987656328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 314272-1.
It is an interprime number because it is at equal distance from previous prime (987656323) and next prime (987656333).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (987656323) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1193851 + ... + 1194677.
It is an arithmetic number, because the mean of its divisors is an integer number (18409545).
Almost surely, 2987656328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 987656328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472763600).
987656328 is an abundant number, since it is smaller than the sum of its proper divisors (1957870872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987656328 is a wasteful number, since it uses less digits than its factorization.
987656328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 961 (or 948 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 54.
The square root of 987656328 is about 31426.9999840901. Note that the first 4 decimals coincide. The cubic root of 987656328 is about 995.8683960243.
The spelling of 987656328 in words is "nine hundred eighty-seven million, six hundred fifty-six thousand, three hundred twenty-eight".
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