Base | Representation |
---|---|
bin | 11100101110100101001001 |
3 | 112011121100110 |
4 | 130232211021 |
5 | 3411441300 |
6 | 425224533 |
7 | 121003521 |
oct | 34564511 |
9 | 15147313 |
10 | 7530825 |
11 | 4284025 |
12 | 2632149 |
13 | 1738a13 |
14 | 1000681 |
15 | 9db550 |
hex | 72e949 |
7530825 has 12 divisors (see below), whose sum is σ = 12451088. Its totient is φ = 4016400.
The previous prime is 7530791. The next prime is 7530827. The reversal of 7530825 is 5280357.
It is a happy number.
It is not a de Polignac number, because 7530825 - 27 = 7530697 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7530792 and 7530801.
It is not an unprimeable number, because it can be changed into a prime (7530827) 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, 50131 + ... + 50280.
Almost surely, 27530825 is an apocalyptic number.
7530825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7530825 is a deficient number, since it is larger than the sum of its proper divisors (4920263).
7530825 is a wasteful number, since it uses less digits than its factorization.
7530825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100424 (or 100419 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 7530825 is about 2744.2348660419. The cubic root of 7530825 is about 196.0111839377.
The spelling of 7530825 in words is "seven million, five hundred thirty thousand, eight hundred twenty-five".
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