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9030901 = 11820991
BaseRepresentation
bin100010011100…
…110011110101
3121222211001211
4202130303311
54302442101
6521321421
7136522105
oct42346365
917884054
109030901
115109060
123036271
131b42739
1412b1205
15bd5c51
hex89ccf5

9030901 has 4 divisors (see below), whose sum is σ = 9851904. Its totient is φ = 8209900.

The previous prime is 9030899. The next prime is 9030911. The reversal of 9030901 is 1090309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1090309 = 1199119.

It is a cyclic number.

It is not a de Polignac number, because 9030901 - 21 = 9030899 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9030911) 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, 410485 + ... + 410506.

It is an arithmetic number, because the mean of its divisors is an integer number (2462976).

Almost surely, 29030901 is an apocalyptic number.

It is an amenable number.

9030901 is a deficient number, since it is larger than the sum of its proper divisors (821003).

9030901 is a wasteful number, since it uses less digits than its factorization.

9030901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821002.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 9030901 is about 3005.1457535368. The cubic root of 9030901 is about 208.2461721080.

The spelling of 9030901 in words is "nine million, thirty thousand, nine hundred one".

Divisors: 1 11 820991 9030901