Base | Representation |
---|---|
bin | 10100100000010… |
… | …00011001111111 |
3 | 102222122112212112 |
4 | 22100020121333 |
5 | 323013012040 |
6 | 25022324235 |
7 | 4155661223 |
oct | 1220103177 |
9 | 388575775 |
10 | 172000895 |
11 | 890a9900 |
12 | 4972967b |
13 | 29832ca1 |
14 | 18bb4783 |
15 | 10178365 |
hex | a40867f |
172000895 has 24 divisors (see below), whose sum is σ = 229077072. Its totient is φ = 123875840.
The previous prime is 172000889. The next prime is 172000919. The reversal of 172000895 is 598000271.
It is not a de Polignac number, because 172000895 - 216 = 171935359 is a prime.
It is a Duffinian number.
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 23 ways as a sum of consecutive naturals, for example, 63407 + ... + 66063.
It is an arithmetic number, because the mean of its divisors is an integer number (9544878).
Almost surely, 2172000895 is an apocalyptic number.
172000895 is a deficient number, since it is larger than the sum of its proper divisors (57076177).
172000895 is a wasteful number, since it uses less digits than its factorization.
172000895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2791 (or 2780 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 172000895 is about 13114.9111701147. The cubic root of 172000895 is about 556.1307412554.
The spelling of 172000895 in words is "one hundred seventy-two million, eight hundred ninety-five", and thus it is an aban number.
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