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9000097 = 73123289
BaseRepresentation
bin100010010101…
…010010100001
3121221020210221
4202111102201
54301000342
6520523041
7136333231
oct42252241
917836727
109000097
1150979a7
123020481
131b31702
1412a3cc1
15bcba67
hex8954a1

9000097 has 4 divisors (see below), whose sum is σ = 9123460. Its totient is φ = 8876736.

The previous prime is 9000067. The next prime is 9000119. The reversal of 9000097 is 7900009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3066001 + 5934096 = 1751^2 + 2436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9000097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61572 + ... + 61717.

It is an arithmetic number, because the mean of its divisors is an integer number (2280865).

Almost surely, 29000097 is an apocalyptic number.

It is an amenable number.

9000097 is a deficient number, since it is larger than the sum of its proper divisors (123363).

9000097 is a wasteful number, since it uses less digits than its factorization.

9000097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123362.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 9000097 is about 3000.0161666231. The cubic root of 9000097 is about 208.0091295919.

The spelling of 9000097 in words is "nine million, ninety-seven", and is thus an aban number and an uban number.

Divisors: 1 73 123289 9000097