Base | Representation |
---|---|
bin | 10101100101010… |
… | …01001101010100 |
3 | 110121200012100222 |
4 | 22302221031110 |
5 | 332322020043 |
6 | 25544253512 |
7 | 4325612111 |
oct | 1262511524 |
9 | 417605328 |
10 | 181048148 |
11 | 93219176 |
12 | 50771298 |
13 | 2b67cca8 |
14 | 1a08b908 |
15 | 10d63d68 |
hex | aca9354 |
181048148 has 24 divisors (see below), whose sum is σ = 321064128. Its totient is φ = 89323136.
The previous prime is 181048129. The next prime is 181048151. The reversal of 181048148 is 841840181.
181048148 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
181048148 is strictly pandigital in base 9.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 118115 + ... + 119637.
It is an arithmetic number, because the mean of its divisors is an integer number (13377672).
Almost surely, 2181048148 is an apocalyptic number.
It is an amenable number.
181048148 is a deficient number, since it is larger than the sum of its proper divisors (140015980).
181048148 is a wasteful number, since it uses less digits than its factorization.
181048148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1903 (or 1901 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 35.
The square root of 181048148 is about 13455.4133344167. The cubic root of 181048148 is about 565.7154358740.
The spelling of 181048148 in words is "one hundred eighty-one million, forty-eight thousand, one hundred forty-eight".
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