Base | Representation |
---|---|
bin | 111011111010010… |
… | …110000000010001 |
3 | 2121001100220220010 |
4 | 323322112000101 |
5 | 4024304301400 |
6 | 243423505133 |
7 | 33623431062 |
oct | 7372260021 |
9 | 2531326803 |
10 | 1005150225 |
11 | 476421272 |
12 | 2407581a9 |
13 | 130321461 |
14 | 976cc569 |
15 | 5d39c450 |
hex | 3be96011 |
1005150225 has 36 divisors (see below), whose sum is σ = 1698239024. Its totient is φ = 524587680.
The previous prime is 1005150197. The next prime is 1005150227. The reversal of 1005150225 is 5220515001.
It is not a de Polignac number, because 1005150225 - 25 = 1005150193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1005150227) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 162642 + ... + 168708.
Almost surely, 21005150225 is an apocalyptic number.
1005150225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1005150225 is a deficient number, since it is larger than the sum of its proper divisors (693088799).
1005150225 is an equidigital number, since it uses as much as digits as its factorization.
1005150225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6174 (or 6122 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 1005150225 is about 31704.1042295789. The cubic root of 1005150225 is about 1001.7138028685.
Adding to 1005150225 its reverse (5220515001), we get a palindrome (6225665226).
The spelling of 1005150225 in words is "one billion, five million, one hundred fifty thousand, two hundred twenty-five".
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