Base | Representation |
---|---|
bin | 1000010111010011… |
… | …0100001110010101 |
3 | 12210110202202010202 |
4 | 2011310310032111 |
5 | 14044233341000 |
6 | 1010442430245 |
7 | 106432004456 |
oct | 20564641625 |
9 | 5713682122 |
10 | 2245215125 |
11 | a5240239a |
12 | 527b02385 |
13 | 29a202b7a |
14 | 17428b12d |
15 | d219ddd5 |
hex | 85d34395 |
2245215125 has 8 divisors (see below), whose sum is σ = 2802028632. Its totient is φ = 1796172000.
The previous prime is 2245215121. The next prime is 2245215131. The reversal of 2245215125 is 5215125422.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 97634161 + 2147580964 = 9881^2 + 46342^2 .
It is not a de Polignac number, because 2245215125 - 22 = 2245215121 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 (2245215121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980736 + ... + 8980985.
It is an arithmetic number, because the mean of its divisors is an integer number (350253579).
Almost surely, 22245215125 is an apocalyptic number.
2245215125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2245215125 is a deficient number, since it is larger than the sum of its proper divisors (556813507).
2245215125 is an equidigital number, since it uses as much as digits as its factorization.
2245215125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17961736 (or 17961726 counting only the distinct ones).
The product of its digits is 8000, while the sum is 29.
The square root of 2245215125 is about 47383.7010479342. The cubic root of 2245215125 is about 1309.4411549064.
The spelling of 2245215125 in words is "two billion, two hundred forty-five million, two hundred fifteen thousand, one hundred twenty-five".
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