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6872243 = 719163317
BaseRepresentation
bin11010001101110010110011
3110221010221112
4122031302303
53224402433
6403143535
7112261460
oct32156263
913833845
106872243
113974244
122374bab
131568021
14cac667
1590b348
hex68dcb3

6872243 has 16 divisors (see below), whose sum is σ = 8344320. Its totient is φ = 5528736.

The previous prime is 6872237. The next prime is 6872251. The reversal of 6872243 is 3422786.

It is a cyclic number.

It is not a de Polignac number, because 6872243 - 26 = 6872179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6872273) 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 15 ways as a sum of consecutive naturals, for example, 21521 + ... + 21837.

It is an arithmetic number, because the mean of its divisors is an integer number (521520).

Almost surely, 26872243 is an apocalyptic number.

6872243 is a deficient number, since it is larger than the sum of its proper divisors (1472077).

6872243 is a wasteful number, since it uses less digits than its factorization.

6872243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 16128, while the sum is 32.

The square root of 6872243 is about 2621.4963284353. The cubic root of 6872243 is about 190.1222020883.

The spelling of 6872243 in words is "six million, eight hundred seventy-two thousand, two hundred forty-three".

Divisors: 1 7 19 133 163 317 1141 2219 3097 6023 21679 42161 51671 361697 981749 6872243