Base | Representation |
---|---|
bin | 11110100011000… |
… | …111011100010001 |
3 | 1022201101211000100 |
4 | 132203013130101 |
5 | 2022201201001 |
6 | 122505043013 |
7 | 15462236145 |
oct | 3643073421 |
9 | 1281354010 |
10 | 512522001 |
11 | 24333a402 |
12 | 123786469 |
13 | 8224a874 |
14 | 4c0d5225 |
15 | 2eedd586 |
hex | 1e8c7711 |
512522001 has 12 divisors (see below), whose sum is σ = 783857412. Its totient is φ = 321582336.
The previous prime is 512521991. The next prime is 512522011. The reversal of 512522001 is 100225215.
It is an interprime number because it is at equal distance from previous prime (512521991) and next prime (512522011).
It can be written as a sum of positive squares in 2 ways, for example, as 200081025 + 312440976 = 14145^2 + 17676^2 .
It is not a de Polignac number, because 512522001 - 26 = 512521937 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (512522011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674756 + ... + 1675061.
It is an arithmetic number, because the mean of its divisors is an integer number (65321451).
Almost surely, 2512522001 is an apocalyptic number.
512522001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
It is an amenable number.
512522001 is a deficient number, since it is larger than the sum of its proper divisors (271335411).
512522001 is a wasteful number, since it uses less digits than its factorization.
512522001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3349840 (or 3349837 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 512522001 is about 22638.9487609297. The cubic root of 512522001 is about 800.2717831778.
Adding to 512522001 its reverse (100225215), we get a palindrome (612747216).
The spelling of 512522001 in words is "five hundred twelve million, five hundred twenty-two thousand, one".
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