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9071825 = 52751839
BaseRepresentation
bin100010100110…
…110011010001
3122001220012112
4202212303101
54310244300
6522235105
7140052320
oct42466321
918056175
109071825
115136884
123055a95
131b58259
1412c20b7
15be2e35
hex8a6cd1

9071825 has 12 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 6220560.

The previous prime is 9071819. The next prime is 9071827. The reversal of 9071825 is 5281709.

It is not a de Polignac number, because 9071825 - 216 = 9006289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9071791 and 9071800.

It is not an unprimeable number, because it can be changed into a prime (9071827) 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, 25745 + ... + 26094.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 29071825 is an apocalyptic number.

It is an amenable number.

9071825 is a deficient number, since it is larger than the sum of its proper divisors (3784495).

9071825 is a wasteful number, since it uses less digits than its factorization.

9071825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51856 (or 51851 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 9071825 is about 3011.9470446872. The cubic root of 9071825 is about 208.5602576249.

The spelling of 9071825 in words is "nine million, seventy-one thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 175 51839 259195 362873 1295975 1814365 9071825