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9000649 = 72634889
BaseRepresentation
bin100010010101…
…011011001001
3121221021120101
4202111123021
54301010044
6520525401
7136334650
oct42253311
917837511
109000649
115098359
123020861
131b31a38
1412a4197
15bcbcd4
hex8956c9

9000649 has 8 divisors (see below), whose sum is σ = 10327680. Its totient is φ = 7683936.

The previous prime is 9000637. The next prime is 9000683. The reversal of 9000649 is 9460009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9000649 - 217 = 8869577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (1290960).

Almost surely, 29000649 is an apocalyptic number.

It is an amenable number.

9000649 is a deficient number, since it is larger than the sum of its proper divisors (1327031).

9000649 is a wasteful number, since it uses less digits than its factorization.

9000649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9000649 is about 3000.1081647167. The cubic root of 9000649 is about 208.0133820902.

The spelling of 9000649 in words is "nine million, six hundred forty-nine", and thus it is an aban number.

Divisors: 1 7 263 1841 4889 34223 1285807 9000649