Base | Representation |
---|---|
bin | 10100011011111… |
… | …11001100000000 |
3 | 102221120222212222 |
4 | 22031333030000 |
5 | 322342020343 |
6 | 25002310212 |
7 | 4151130500 |
oct | 1215771400 |
9 | 387528788 |
10 | 171438848 |
11 | 888555a9 |
12 | 494b8368 |
13 | 29697209 |
14 | 18aa9a00 |
15 | 100b6a68 |
hex | a37f300 |
171438848 has 108 divisors (see below), whose sum is σ = 405447840. Its totient is φ = 72124416.
The previous prime is 171438823. The next prime is 171438851. The reversal of 171438848 is 848834171.
It is a junction number, because it is equal to n+sod(n) for n = 171438799 and 171438808.
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 11 ways as a sum of consecutive naturals, for example, 990890 + ... + 991062.
Almost surely, 2171438848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 171438848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202723920).
171438848 is an abundant number, since it is smaller than the sum of its proper divisors (234008992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
171438848 is an equidigital number, since it uses as much as digits as its factorization.
171438848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282 (or 261 counting only the distinct ones).
The product of its digits is 172032, while the sum is 44.
The square root of 171438848 is about 13093.4658513321. The cubic root of 171438848 is about 555.5243244547.
The spelling of 171438848 in words is "one hundred seventy-one million, four hundred thirty-eight thousand, eight hundred forty-eight".
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