Base | Representation |
---|---|
bin | 1111101000110101001 |
3 | 222000220201 |
4 | 1331012221 |
5 | 112344200 |
6 | 14552201 |
7 | 4232644 |
oct | 1750651 |
9 | 860821 |
10 | 512425 |
11 | 31aaa1 |
12 | 208661 |
13 | 14c314 |
14 | d4a5b |
15 | a1c6a |
hex | 7d1a9 |
512425 has 12 divisors (see below), whose sum is σ = 644800. Its totient is φ = 403920.
The previous prime is 512419. The next prime is 512429. The reversal of 512425 is 524215.
It is a de Polignac number, because none of the positive numbers 2k-512425 is a prime.
512425 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (512429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2476 + ... + 2674.
2512425 is an apocalyptic number.
It is an amenable number.
512425 is a deficient number, since it is larger than the sum of its proper divisors (132375).
512425 is a wasteful number, since it uses less digits than its factorization.
512425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312 (or 307 counting only the distinct ones).
The product of its digits is 400, while the sum is 19.
The square root of 512425 is about 715.8386689751. The cubic root of 512425 is about 80.0221292948.
The spelling of 512425 in words is "five hundred twelve thousand, four hundred twenty-five".
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