Base | Representation |
---|---|
bin | 10100011001001… |
… | …01000111101010 |
3 | 102220220020211100 |
4 | 22030211013222 |
5 | 322243214210 |
6 | 24550342230 |
7 | 4145033103 |
oct | 1214450752 |
9 | 386806740 |
10 | 171069930 |
11 | 88623409 |
12 | 4935a976 |
13 | 29598315 |
14 | 18a113aa |
15 | 100425c0 |
hex | a3251ea |
171069930 has 24 divisors (see below), whose sum is σ = 444782052. Its totient is φ = 45618624.
The previous prime is 171069923. The next prime is 171069931. The reversal of 171069930 is 39960171.
It can be written as a sum of positive squares in 2 ways, for example, as 171007929 + 62001 = 13077^2 + 249^2 .
It is not an unprimeable number, because it can be changed into a prime (171069931) by changing a digit.
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, 950299 + ... + 950478.
Almost surely, 2171069930 is an apocalyptic number.
171069930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
171069930 is an abundant number, since it is smaller than the sum of its proper divisors (273712122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
171069930 is a wasteful number, since it uses less digits than its factorization.
171069930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1900790 (or 1900787 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 36.
The square root of 171069930 is about 13079.3703976912. The cubic root of 171069930 is about 555.1255620463.
The spelling of 171069930 in words is "one hundred seventy-one million, sixty-nine thousand, nine hundred thirty".
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