Base | Representation |
---|---|
bin | 1010100001111… |
… | …11111010100101 |
3 | 20011020020200122 |
4 | 11100333322211 |
5 | 140103422211 |
6 | 12433251325 |
7 | 2121616244 |
oct | 520777245 |
9 | 204206618 |
10 | 88342181 |
11 | 45959874 |
12 | 25703b45 |
13 | 153c14a5 |
14 | ba3895b |
15 | 7b506db |
hex | 543fea5 |
88342181 has 2 divisors, whose sum is σ = 88342182. Its totient is φ = 88342180.
The previous prime is 88342171. The next prime is 88342223. The reversal of 88342181 is 18124388.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 87422500 + 919681 = 9350^2 + 959^2 .
It is a cyclic number.
It is not a de Polignac number, because 88342181 - 26 = 88342117 is a prime.
It is a super-2 number, since 2×883421812 = 15608681887673522, which contains 22 as substring.
It is a zygodrome in base 4.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (88342171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44171090 + 44171091.
It is an arithmetic number, because the mean of its divisors is an integer number (44171091).
Almost surely, 288342181 is an apocalyptic number.
It is an amenable number.
88342181 is a deficient number, since it is larger than the sum of its proper divisors (1).
88342181 is an equidigital number, since it uses as much as digits as its factorization.
88342181 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12288, while the sum is 35.
The square root of 88342181 is about 9399.0521330611. The cubic root of 88342181 is about 445.3717904541.
The spelling of 88342181 in words is "eighty-eight million, three hundred forty-two thousand, one hundred eighty-one".
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