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9725025 = 3521271021
BaseRepresentation
bin100101000110…
…010001100001
3200022002020010
4211012101201
54442200100
6544235133
7145442562
oct45062141
920262203
109725025
115542612
12330baa9
13202666b
141412169
15cc1750
hex946461

9725025 has 24 divisors (see below), whose sum is σ = 16221184. Its totient is φ = 5140800.

The previous prime is 9724993. The next prime is 9725033. The reversal of 9725025 is 5205279.

It is a happy number.

It is not a de Polignac number, because 9725025 - 25 = 9724993 is a prime.

It is a super-2 number, since 2×97250252 = 189152222501250, which contains 22 as substring.

It is a Duffinian number.

9725025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9724983 and 9725001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9015 + ... + 10035.

Almost surely, 29725025 is an apocalyptic number.

It is an amenable number.

9725025 is a deficient number, since it is larger than the sum of its proper divisors (6496159).

9725025 is a wasteful number, since it uses less digits than its factorization.

9725025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 9725025 is about 3118.4972342460. The cubic root of 9725025 is about 213.4503684540.

The spelling of 9725025 in words is "nine million, seven hundred twenty-five thousand, twenty-five".

Divisors: 1 3 5 15 25 75 127 381 635 1021 1905 3063 3175 5105 9525 15315 25525 76575 129667 389001 648335 1945005 3241675 9725025