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27989296 = 242297639
BaseRepresentation
bin110101011000…
…1010100110000
31221200000002121
41222301110300
524131124141
62435524024
7456622306
oct152612460
957600077
1027989296
1114887855
129459614
135a4ca1a
143a08276
1526cd1d1
hex1ab1530

27989296 has 20 divisors (see below), whose sum is σ = 54473200. Its totient is φ = 13931712.

The previous prime is 27989287. The next prime is 27989303. The reversal of 27989296 is 69298972.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 156 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (2723660).

Almost surely, 227989296 is an apocalyptic number.

It is an amenable number.

27989296 is a deficient number, since it is larger than the sum of its proper divisors (26483904).

27989296 is a wasteful number, since it uses less digits than its factorization.

27989296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876 (or 7870 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 27989296 is about 5290.4910925168. The cubic root of 27989296 is about 303.6201974362.

The spelling of 27989296 in words is "twenty-seven million, nine hundred eighty-nine thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 229 458 916 1832 3664 7639 15278 30556 61112 122224 1749331 3498662 6997324 13994648 27989296