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8243328 = 27321467
BaseRepresentation
bin11111011100100010000000
3120111210201110
4133130202000
54102241303
6452403320
7130032012
oct37344200
916453643
108243328
114720375
122916540
131928112
1411481b2
15acc703
hex7dc880

8243328 has 32 divisors (see below), whose sum is σ = 21897360. Its totient is φ = 2747648.

The previous prime is 8243327. The next prime is 8243329. The reversal of 8243328 is 8233428.

8243328 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8243327) and next prime (8243329).

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8243295 and 8243304.

It is not an unprimeable number, because it can be changed into a prime (8243327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10350 + ... + 11117.

Almost surely, 28243328 is an apocalyptic number.

It is an amenable number.

8243328 is an abundant number, since it is smaller than the sum of its proper divisors (13654032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8243328 is a wasteful number, since it uses less digits than its factorization.

8243328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484 (or 21472 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 8243328 is about 2871.1196422302. The cubic root of 8243328 is about 202.0075153234.

The spelling of 8243328 in words is "eight million, two hundred forty-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 21467 42934 64401 85868 128802 171736 257604 343472 515208 686944 1030416 1373888 2060832 2747776 4121664 8243328