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9010745 = 51802149
BaseRepresentation
bin100010010111…
…111000111001
3121221210102022
4202113320321
54301320440
6521044225
7136406252
oct42277071
917853368
109010745
1150a49a7
123026675
131b36503
1412a7b29
15bcecb5
hex897e39

9010745 has 4 divisors (see below), whose sum is σ = 10812900. Its totient is φ = 7208592.

The previous prime is 9010741. The next prime is 9010751. The reversal of 9010745 is 5470109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5470109 = 7374933.

It can be written as a sum of positive squares in 2 ways, for example, as 5669161 + 3341584 = 2381^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 9010745 - 22 = 9010741 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (9010741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901070 + ... + 901079.

It is an arithmetic number, because the mean of its divisors is an integer number (2703225).

Almost surely, 29010745 is an apocalyptic number.

It is an amenable number.

9010745 is a deficient number, since it is larger than the sum of its proper divisors (1802155).

9010745 is a wasteful number, since it uses less digits than its factorization.

9010745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802154.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 9010745 is about 3001.7902991382. The cubic root of 9010745 is about 208.0911290159.

The spelling of 9010745 in words is "nine million, ten thousand, seven hundred forty-five".

Divisors: 1 5 1802149 9010745