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9490725 = 325242181
BaseRepresentation
bin100100001101…
…000100100101
3122212011211100
4210031010211
54412200400
6535230313
7143445516
oct44150445
918764740
109490725
1153a2582
123218399
131c73b1a
141390a0d
15c77100
hex90d125

9490725 has 18 divisors (see below), whose sum is σ = 16999346. Its totient is φ = 5061600.

The previous prime is 9490717. The next prime is 9490813. The reversal of 9490725 is 5270949.

It can be written as a sum of positive squares in 3 ways, for example, as 16641 + 9474084 = 129^2 + 3078^2 .

It is not a de Polignac number, because 9490725 - 23 = 9490717 is a prime.

It is a super-2 number, since 2×94907252 = 180147722051250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 9490725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20866 + ... + 21315.

Almost surely, 29490725 is an apocalyptic number.

It is an amenable number.

9490725 is a deficient number, since it is larger than the sum of its proper divisors (7508621).

9490725 is a wasteful number, since it uses less digits than its factorization.

9490725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42197 (or 42189 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9490725 is about 3080.7020303820. The cubic root of 9490725 is about 211.7222317456.

The spelling of 9490725 in words is "nine million, four hundred ninety thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 42181 126543 210905 379629 632715 1054525 1898145 3163575 9490725