Base | Representation |
---|---|
bin | 1000011111010000010001 |
3 | 11012001100200 |
4 | 20133100101 |
5 | 1032201134 |
6 | 115405413 |
7 | 24625242 |
oct | 10372021 |
9 | 4161320 |
10 | 2225169 |
11 | 128a891 |
12 | 8b3869 |
13 | 5cba8b |
14 | 41ccc9 |
15 | 2de499 |
hex | 21f411 |
2225169 has 6 divisors (see below), whose sum is σ = 3214146. Its totient is φ = 1483440.
The previous prime is 2225159. The next prime is 2225173. The reversal of 2225169 is 9615222.
It can be written as a sum of positive squares in only one way, i.e., 2214144 + 11025 = 1488^2 + 105^2 .
It is not a de Polignac number, because 2225169 - 29 = 2224657 is a prime.
It is a super-2 number, since 2×22251692 = 9902754157122, which contains 22 as substring.
2225169 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2225159) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123612 + ... + 123629.
It is an arithmetic number, because the mean of its divisors is an integer number (535691).
22225169 is an apocalyptic number.
It is an amenable number.
2225169 is a deficient number, since it is larger than the sum of its proper divisors (988977).
2225169 is a wasteful number, since it uses less digits than its factorization.
2225169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247247 (or 247244 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 2225169 is about 1491.7000368707. The cubic root of 2225169 is about 130.5532437865.
The spelling of 2225169 in words is "two million, two hundred twenty-five thousand, one hundred sixty-nine".
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