Base | Representation |
---|---|
bin | 10100100000110… |
… | …00110011111101 |
3 | 102222202222001100 |
4 | 22100120303331 |
5 | 323022134333 |
6 | 25024003313 |
7 | 4156361151 |
oct | 1220306375 |
9 | 388688040 |
10 | 172068093 |
11 | 8914533a |
12 | 49760539 |
13 | 29857752 |
14 | 18bd1061 |
15 | 1018d213 |
hex | a418cfd |
172068093 has 12 divisors (see below), whose sum is σ = 255260668. Its totient is φ = 111611520.
The previous prime is 172068079. The next prime is 172068097. The reversal of 172068093 is 390860271.
172068093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 109056249 + 63011844 = 10443^2 + 7938^2 .
It is not a de Polignac number, because 172068093 - 24 = 172068077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (172068097) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258028 + ... + 258693.
Almost surely, 2172068093 is an apocalyptic number.
It is an amenable number.
172068093 is a deficient number, since it is larger than the sum of its proper divisors (83192575).
172068093 is a wasteful number, since it uses less digits than its factorization.
172068093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516764 (or 516761 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 172068093 is about 13117.4728130078. The cubic root of 172068093 is about 556.2031556225.
The spelling of 172068093 in words is "one hundred seventy-two million, sixty-eight thousand, ninety-three".
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