Base | Representation |
---|---|
bin | 10100100000101… |
… | …11011000111001 |
3 | 102222202200001111 |
4 | 22100113120321 |
5 | 323021443030 |
6 | 25023520321 |
7 | 4156335154 |
oct | 1220273071 |
9 | 388680044 |
10 | 172062265 |
11 | 89140a21 |
12 | 497590a1 |
13 | 29854bbb |
14 | 18bccc9b |
15 | 1018b62a |
hex | a417639 |
172062265 has 4 divisors (see below), whose sum is σ = 206474724. Its totient is φ = 137649808.
The previous prime is 172062259. The next prime is 172062269. The reversal of 172062265 is 562260271.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562260271 = 1123 ⋅500677.
It can be written as a sum of positive squares in 2 ways, for example, as 25240576 + 146821689 = 5024^2 + 12117^2 .
It is a cyclic number.
It is not a de Polignac number, because 172062265 - 225 = 138507833 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (172062269) 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 3 ways as a sum of consecutive naturals, for example, 17206222 + ... + 17206231.
It is an arithmetic number, because the mean of its divisors is an integer number (51618681).
Almost surely, 2172062265 is an apocalyptic number.
It is an amenable number.
172062265 is a deficient number, since it is larger than the sum of its proper divisors (34412459).
172062265 is an equidigital number, since it uses as much as digits as its factorization.
172062265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34412458.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 172062265 is about 13117.2506646782. The cubic root of 172062265 is about 556.1968759601.
The spelling of 172062265 in words is "one hundred seventy-two million, sixty-two thousand, two hundred sixty-five".
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