Base | Representation |
---|---|
bin | 1010100100010… |
… | …01100011100000 |
3 | 20011210120110000 |
4 | 11102021203200 |
5 | 140143100213 |
6 | 12443540000 |
7 | 2124313521 |
oct | 522114340 |
9 | 204716400 |
10 | 88643808 |
11 | 46045450 |
12 | 2582a600 |
13 | 15498876 |
14 | bab6848 |
15 | 7baec73 |
hex | 54898e0 |
88643808 has 120 divisors (see below), whose sum is σ = 284490360. Its totient is φ = 26853120.
The previous prime is 88643803. The next prime is 88643809. The reversal of 88643808 is 80834688.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88643803) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26958 + ... + 30066.
It is an arithmetic number, because the mean of its divisors is an integer number (2370753).
Almost surely, 288643808 is an apocalyptic number.
88643808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88643808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142245180).
88643808 is an abundant number, since it is smaller than the sum of its proper divisors (195846552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88643808 is a wasteful number, since it uses less digits than its factorization.
88643808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3142 (or 3125 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 45.
The square root of 88643808 is about 9415.0840676013. The cubic root of 88643808 is about 445.8780927918.
The spelling of 88643808 in words is "eighty-eight million, six hundred forty-three thousand, eight hundred eight".
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