Base | Representation |
---|---|
bin | 1010100001010… |
… | …00000001000001 |
3 | 20011001021102000 |
4 | 11100220001001 |
5 | 140042304124 |
6 | 12431214213 |
7 | 2121030660 |
oct | 520500101 |
9 | 204037360 |
10 | 88244289 |
11 | 458a2271 |
12 | 25677369 |
13 | 15388a73 |
14 | ba10dd7 |
15 | 7b316c9 |
hex | 5428041 |
88244289 has 32 divisors (see below), whose sum is σ = 150528000. Its totient is φ = 50047632.
The previous prime is 88244287. The next prime is 88244309. The reversal of 88244289 is 98244288.
It is a happy number.
It is not a de Polignac number, because 88244289 - 21 = 88244287 is a prime.
It is a super-2 number, since 2×882442892 = 15574109082231042, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88244281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24592 + ... + 27950.
It is an arithmetic number, because the mean of its divisors is an integer number (4704000).
Almost surely, 288244289 is an apocalyptic number.
It is an amenable number.
88244289 is a deficient number, since it is larger than the sum of its proper divisors (62283711).
88244289 is a wasteful number, since it uses less digits than its factorization.
88244289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3514 (or 3508 counting only the distinct ones).
The product of its digits is 294912, while the sum is 45.
The square root of 88244289 is about 9393.8431432508. The cubic root of 88244289 is about 445.2072241110.
Subtracting 88244289 from its reverse (98244288), we obtain a palindrome (9999999).
The spelling of 88244289 in words is "eighty-eight million, two hundred forty-four thousand, two hundred eighty-nine".
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