Base | Representation |
---|---|
bin | 1010100100100… |
… | …10110010110101 |
3 | 20011212111100200 |
4 | 11102102302311 |
5 | 140200303103 |
6 | 12444431113 |
7 | 2124532044 |
oct | 522226265 |
9 | 204774320 |
10 | 88681653 |
11 | 46070925 |
12 | 25848499 |
13 | 154acb68 |
14 | bac655b |
15 | 7bbb0a3 |
hex | 5492cb5 |
88681653 has 6 divisors (see below), whose sum is σ = 128095734. Its totient is φ = 59121096.
The previous prime is 88681651. The next prime is 88681657. The reversal of 88681653 is 35618688.
It can be written as a sum of positive squares in only one way, i.e., 88679889 + 1764 = 9417^2 + 42^2 .
It is not a de Polignac number, because 88681653 - 21 = 88681651 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 88681599 and 88681608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88681651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4926750 + ... + 4926767.
It is an arithmetic number, because the mean of its divisors is an integer number (21349289).
Almost surely, 288681653 is an apocalyptic number.
It is an amenable number.
88681653 is a deficient number, since it is larger than the sum of its proper divisors (39414081).
88681653 is a wasteful number, since it uses less digits than its factorization.
88681653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9853523 (or 9853520 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The square root of 88681653 is about 9417.0936599356. The cubic root of 88681653 is about 445.9415371766.
The spelling of 88681653 in words is "eighty-eight million, six hundred eighty-one thousand, six hundred fifty-three".
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