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8283243 = 323120047
BaseRepresentation
bin11111100110010001101011
3120120211110210
4133212101223
54110030433
6453312203
7130256253
oct37462153
916524423
108283243
114748361
122935663
131940337
141158963
15ad9463
hex7e646b

8283243 has 8 divisors (see below), whose sum is σ = 11524608. Its totient is φ = 5282024.

The previous prime is 8283217. The next prime is 8283257. The reversal of 8283243 is 3423828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8283243 - 28 = 8282987 is a prime.

It is a super-2 number, since 2×82832432 = 137224229194098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8283243.

It is not an unprimeable number, because it can be changed into a prime (8283203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59955 + ... + 60092.

It is an arithmetic number, because the mean of its divisors is an integer number (1440576).

Almost surely, 28283243 is an apocalyptic number.

8283243 is a deficient number, since it is larger than the sum of its proper divisors (3241365).

8283243 is a wasteful number, since it uses less digits than its factorization.

8283243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120073.

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

The square root of 8283243 is about 2878.0623690254. The cubic root of 8283243 is about 202.3330371966. Note that the first 3 decimals are identical.

The spelling of 8283243 in words is "eight million, two hundred eighty-three thousand, two hundred forty-three".

Divisors: 1 3 23 69 120047 360141 2761081 8283243