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9285725 = 52616089
BaseRepresentation
bin100011011011…
…000001011101
3122110202121202
4203123001131
54334120400
6531005245
7141633041
oct43330135
918422552
109285725
115272559
123139825
131c01717
14133a021
15c364d5
hex8db05d

9285725 has 12 divisors (see below), whose sum is σ = 11704980. Its totient is φ = 7305600.

The previous prime is 9285697. The next prime is 9285733. The reversal of 9285725 is 5275829.

9285725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2869636 + 6416089 = 1694^2 + 2533^2 .

It is not a de Polignac number, because 9285725 - 28 = 9285469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (975415).

Almost surely, 29285725 is an apocalyptic number.

It is an amenable number.

9285725 is a deficient number, since it is larger than the sum of its proper divisors (2419255).

9285725 is a wasteful number, since it uses less digits than its factorization.

9285725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160 (or 6155 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 9285725 is about 3047.2487591268. The cubic root of 9285725 is about 210.1867197959.

The spelling of 9285725 in words is "nine million, two hundred eighty-five thousand, seven hundred twenty-five".

Divisors: 1 5 25 61 305 1525 6089 30445 152225 371429 1857145 9285725