Base | Representation |
---|---|
bin | 1010100100100… |
… | …10010111010001 |
3 | 20011212101221100 |
4 | 11102102113101 |
5 | 140200224024 |
6 | 12444415013 |
7 | 2124523644 |
oct | 522222721 |
9 | 204771840 |
10 | 88679889 |
11 | 4606a571 |
12 | 25847469 |
13 | 154ac10c |
14 | bac5a5b |
15 | 7bba7c9 |
hex | 54925d1 |
88679889 has 27 divisors (see below), whose sum is σ = 132962427. Its totient is φ = 56954016.
The previous prime is 88679879. The next prime is 88679911. The reversal of 88679889 is 98897688.
The square root of 88679889 is 9417.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 50339025 + 38340864 = 7095^2 + 6192^2 .
It is not a de Polignac number, because 88679889 - 213 = 88671697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (88679849) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1214757 + ... + 1214829.
Almost surely, 288679889 is an apocalyptic number.
88679889 is the 9417-th square number.
88679889 is the 4709-th centered octagonal number.
It is an amenable number.
88679889 is a deficient number, since it is larger than the sum of its proper divisors (44282538).
88679889 is an equidigital number, since it uses as much as digits as its factorization.
88679889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238 (or 119 counting only the distinct ones).
The product of its digits is 13934592, while the sum is 63.
The cubic root of 88679889 is about 445.9385803602.
The spelling of 88679889 in words is "eighty-eight million, six hundred seventy-nine thousand, eight hundred eighty-nine".
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