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8640482 = 24320241
BaseRepresentation
bin100000111101…
…011111100010
3121020222111212
4200331133202
54202443412
6505110122
7133304624
oct40753742
917228455
108640482
1149717a4
122a88342
131a36b16
14120cc14
15b5a222
hex83d7e2

8640482 has 4 divisors (see below), whose sum is σ = 12960726. Its totient is φ = 4320240.

The previous prime is 8640481. The next prime is 8640493. The reversal of 8640482 is 2840468.

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

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 108241 = 2921^2 + 329^2 .

It is not an unprimeable number, because it can be changed into a prime (8640481) 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 as a sum of consecutive naturals, namely, 2160119 + ... + 2160122.

Almost surely, 28640482 is an apocalyptic number.

8640482 is a deficient number, since it is larger than the sum of its proper divisors (4320244).

8640482 is a wasteful number, since it uses less digits than its factorization.

8640482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320243.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8640482 is about 2939.4696800614. The cubic root of 8640482 is about 205.2009293099.

The spelling of 8640482 in words is "eight million, six hundred forty thousand, four hundred eighty-two".

Divisors: 1 2 4320241 8640482