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8903089 = 132139379
BaseRepresentation
bin100001111101…
…100110110001
3121202022202001
4201331212301
54234344324
6514454001
7135450346
oct41754661
917668661
108903089
115031028
122b94301
131ac9500
14127a7cd
15bace44
hex87d9b1

8903089 has 12 divisors (see below), whose sum is σ = 9735600. Its totient is φ = 8137584.

The previous prime is 8903071. The next prime is 8903101. The reversal of 8903089 is 9803098.

It is not a de Polignac number, because 8903089 - 27 = 8902961 is a prime.

It is a Duffinian number.

8903089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8903689) 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 11 ways as a sum of consecutive naturals, for example, 23302 + ... + 23680.

It is an arithmetic number, because the mean of its divisors is an integer number (811300).

Almost surely, 28903089 is an apocalyptic number.

It is an amenable number.

8903089 is a deficient number, since it is larger than the sum of its proper divisors (832511).

8903089 is a wasteful number, since it uses less digits than its factorization.

8903089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 8903089 is about 2983.8044506971. The cubic root of 8903089 is about 207.2590826601.

Subtracting 8903089 from its reverse (9803098), we obtain a palindrome (900009).

The spelling of 8903089 in words is "eight million, nine hundred three thousand, eighty-nine".

Divisors: 1 13 139 169 379 1807 4927 23491 52681 64051 684853 8903089