Base | Representation |
---|---|
bin | 11111101011100… |
… | …000110001011101 |
3 | 1101001010000002211 |
4 | 133223200301131 |
5 | 2042031001000 |
6 | 124423520421 |
7 | 16112451022 |
oct | 3753406135 |
9 | 1331100084 |
10 | 531500125 |
11 | 253021a02 |
12 | 129bb9111 |
13 | 86163b20 |
14 | 50835549 |
15 | 319db7ba |
hex | 1fae0c5d |
531500125 has 32 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 391003200.
The previous prime is 531500063. The next prime is 531500141. The reversal of 531500125 is 521005135.
It is not a de Polignac number, because 531500125 - 215 = 531467357 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 531500096 and 531500105.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615444 + ... + 616306.
It is an arithmetic number, because the mean of its divisors is an integer number (22407840).
Almost surely, 2531500125 is an apocalyptic number.
It is an amenable number.
531500125 is a deficient number, since it is larger than the sum of its proper divisors (185550755).
531500125 is a wasteful number, since it uses less digits than its factorization.
531500125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1270 (or 1260 counting only the distinct ones).
The product of its (nonzero) digits is 750, while the sum is 22.
The square root of 531500125 is about 23054.2864777898. The cubic root of 531500125 is about 810.0300374981.
The spelling of 531500125 in words is "five hundred thirty-one million, five hundred thousand, one hundred twenty-five".
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