Base | Representation |
---|---|
bin | 10100011100101… |
… | …01111111010010 |
3 | 102221202202000000 |
4 | 22032111333102 |
5 | 322403012432 |
6 | 25004310430 |
7 | 4152000000 |
oct | 1216257722 |
9 | 387682000 |
10 | 171532242 |
11 | 88909792 |
12 | 49542416 |
13 | 296ca88b |
14 | 18ad1a70 |
15 | 100d457c |
hex | a395fd2 |
171532242 has 98 divisors (see below), whose sum is σ = 450065703. Its totient is φ = 49009212.
The previous prime is 171532223. The next prime is 171532271. The reversal of 171532242 is 242235171.
It can be written as a sum of positive squares in only one way, i.e., 85766121 + 85766121 = 9261^2 + 9261^2 .
It is a tau number, because it is divible by the number of its divisors (98).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=9261.
It is a Harshad number since it is a multiple of its sum of digits (27).
Its product of digits (3360) is a multiple of the sum of its prime divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 24504603 + ... + 24504609.
Almost surely, 2171532242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 171532242
171532242 is an abundant number, since it is smaller than the sum of its proper divisors (278533461).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
171532242 is an frugal number, since it uses more digits than its factorization.
171532242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62 (or 12 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 171532242 is about 13097.0318011372. The cubic root of 171532242 is about 555.6251830036.
The spelling of 171532242 in words is "one hundred seventy-one million, five hundred thirty-two thousand, two hundred forty-two".
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