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9427489007 = 9580198407
BaseRepresentation
bin10001100011110110…
…00001000011101111
3220100000111001200112
420301323001003233
5123301414122012
64155251450235
7452423222456
oct106173010357
926300431615
109427489007
113aa8632032
1219b12b697b
13b731c7981
146560d3b9d
153a29c0122
hex231ec10ef

9427489007 has 4 divisors (see below), whose sum is σ = 9427683216. Its totient is φ = 9427294800.

The previous prime is 9427488977. The next prime is 9427489039. The reversal of 9427489007 is 7009847249.

9427489007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7009847249 = 16481425329.

It is a cyclic number.

It is not a de Polignac number, because 9427489007 - 218 = 9427226863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9427489207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46598 + ... + 145004.

It is an arithmetic number, because the mean of its divisors is an integer number (2356920804).

Almost surely, 29427489007 is an apocalyptic number.

9427489007 is a deficient number, since it is larger than the sum of its proper divisors (194209).

9427489007 is an equidigital number, since it uses as much as digits as its factorization.

9427489007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194208.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 9427489007 is about 97095.2573867540. The cubic root of 9427489007 is about 2112.5095367939.

The spelling of 9427489007 in words is "nine billion, four hundred twenty-seven million, four hundred eighty-nine thousand, seven".

Divisors: 1 95801 98407 9427489007