Base | Representation |
---|---|
bin | 1010100001010… |
… | …11100010101000 |
3 | 20011002000012210 |
4 | 11100223202220 |
5 | 140043234403 |
6 | 12431405120 |
7 | 2121121035 |
oct | 520534250 |
9 | 204060183 |
10 | 88258728 |
11 | 459020a8 |
12 | 256837a0 |
13 | 153924cc |
14 | ba1638c |
15 | 7b35b03 |
hex | 542b8a8 |
88258728 has 64 divisors (see below), whose sum is σ = 231465600. Its totient is φ = 27991040.
The previous prime is 88258711. The next prime is 88258757. The reversal of 88258728 is 82785288.
It is a happy number.
It is a super-3 number, since 3×882587283 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154828 + ... + 155396.
It is an arithmetic number, because the mean of its divisors is an integer number (3616650).
Almost surely, 288258728 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 88258728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115732800).
88258728 is an abundant number, since it is smaller than the sum of its proper divisors (143206872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88258728 is a wasteful number, since it uses less digits than its factorization.
88258728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882 (or 878 counting only the distinct ones).
The product of its digits is 573440, while the sum is 48.
The square root of 88258728 is about 9394.6116471092. The cubic root of 88258728 is about 445.2315051782.
The spelling of 88258728 in words is "eighty-eight million, two hundred fifty-eight thousand, seven hundred twenty-eight".
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