Base | Representation |
---|---|
bin | 1010100110001… |
… | …00110111001000 |
3 | 20012020220200001 |
4 | 11103010313020 |
5 | 140223333403 |
6 | 12453052344 |
7 | 2126344660 |
oct | 523046710 |
9 | 205226601 |
10 | 88886728 |
11 | 461a0a07 |
12 | 259270b4 |
13 | 155522c8 |
14 | bb3b1a0 |
15 | 7c0bc1d |
hex | 54c4dc8 |
88886728 has 32 divisors (see below), whose sum is σ = 195624000. Its totient is φ = 37063872.
The previous prime is 88886723. The next prime is 88886737. The reversal of 88886728 is 82768888.
It is a happy number.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (88886723) 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, 19378 + ... + 23521.
It is an arithmetic number, because the mean of its divisors is an integer number (6113250).
Almost surely, 288886728 is an apocalyptic number.
It is an amenable number.
88886728 is an abundant number, since it is smaller than the sum of its proper divisors (106737272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88886728 is a wasteful number, since it uses less digits than its factorization.
88886728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42949 (or 42945 counting only the distinct ones).
The product of its digits is 2752512, while the sum is 55.
The square root of 88886728 is about 9427.9758166851. The cubic root of 88886728 is about 446.2850169332.
It can be divided in two parts, 888 and 86728, that added together give a square (87616 = 2962).
The spelling of 88886728 in words is "eighty-eight million, eight hundred eighty-six thousand, seven hundred twenty-eight".
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