Base | Representation |
---|---|
bin | 1010100000010… |
… | …11111010001001 |
3 | 20010211102111000 |
4 | 11100023322021 |
5 | 140030113121 |
6 | 12424525213 |
7 | 2120041221 |
oct | 520137211 |
9 | 203742430 |
10 | 88129161 |
11 | 4582381a |
12 | 25620809 |
13 | 15348543 |
14 | b9c1081 |
15 | 7b0c526 |
hex | 540be89 |
88129161 has 24 divisors (see below), whose sum is σ = 132488160. Its totient is φ = 57898152.
The previous prime is 88129157. The next prime is 88129189. The reversal of 88129161 is 16192188.
It is not a de Polignac number, because 88129161 - 22 = 88129157 is a prime.
It is not an unprimeable number, because it can be changed into a prime (88129061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168246 + ... + 168768.
It is an arithmetic number, because the mean of its divisors is an integer number (5520340).
Almost surely, 288129161 is an apocalyptic number.
It is an amenable number.
88129161 is a deficient number, since it is larger than the sum of its proper divisors (44358999).
88129161 is an equidigital number, since it uses as much as digits as its factorization.
88129161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690 (or 605 counting only the distinct ones).
The product of its digits is 6912, while the sum is 36.
The square root of 88129161 is about 9387.7132998404. The cubic root of 88129161 is about 445.0135265004.
The spelling of 88129161 in words is "eighty-eight million, one hundred twenty-nine thousand, one hundred sixty-one".
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