Base | Representation |
---|---|
bin | 100001010011… |
… | …000100111000 |
3 | 121102110210011 |
4 | 201103010320 |
5 | 4213311023 |
6 | 511031304 |
7 | 134123440 |
oct | 41230470 |
9 | 17373704 |
10 | 8728888 |
11 | 4a22163 |
12 | 2b0b534 |
13 | 1a6812c |
14 | 1233120 |
15 | b7650d |
hex | 853138 |
8728888 has 64 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 3434496.
The previous prime is 8728883. The next prime is 8728897. The reversal of 8728888 is 8888278.
It is a nude number because it is divisible by every one of its digits.
Its product of digits (458752) is a multiple of the sum of its prime factors (256).
8728888 is a modest number, since divided by 8888 gives 872 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8728883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50370 + ... + 50542.
It is an arithmetic number, because the mean of its divisors is an integer number (317115).
Almost surely, 28728888 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 8728888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10147680).
8728888 is an abundant number, since it is smaller than the sum of its proper divisors (11566472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8728888 is a wasteful number, since it uses less digits than its factorization.
8728888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256 (or 252 counting only the distinct ones).
The product of its digits is 458752, while the sum is 49.
The square root of 8728888 is about 2954.4691570568. The cubic root of 8728888 is about 205.8984009003.
The spelling of 8728888 in words is "eight million, seven hundred twenty-eight thousand, eight hundred eighty-eight".
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