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9030131 = 11820921
BaseRepresentation
bin100010011100…
…100111110011
3121222210000022
4202130213303
54302431011
6521314055
7136516625
oct42344763
917883008
109030131
115108520
12303592b
131b42296
1412b0c15
15bd58db
hex89c9f3

9030131 has 4 divisors (see below), whose sum is σ = 9851064. Its totient is φ = 8209200.

The previous prime is 9030121. The next prime is 9030143. The reversal of 9030131 is 1310309.

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

It is a cyclic number.

It is not a de Polignac number, because 9030131 - 210 = 9029107 is a prime.

It is a super-2 number, since 2×90301312 = 163086531754322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9030101) 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, 410450 + ... + 410471.

It is an arithmetic number, because the mean of its divisors is an integer number (2462766).

Almost surely, 29030131 is an apocalyptic number.

9030131 is a deficient number, since it is larger than the sum of its proper divisors (820933).

9030131 is a wasteful number, since it uses less digits than its factorization.

9030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820932.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 9030131 is about 3005.0176372195. The cubic root of 9030131 is about 208.2402533885.

The spelling of 9030131 in words is "nine million, thirty thousand, one hundred thirty-one".

Divisors: 1 11 820921 9030131