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8389241 = 72199011
BaseRepresentation
bin100000000000…
…001001111001
3120210012212122
4200000021321
54121423431
6455451025
7131210300
oct40001171
916705778
108389241
11480aa63
122986a75
131979663
141185437
15b0aa7b
hex800279

8389241 has 12 divisors (see below), whose sum is σ = 10273680. Its totient is φ = 6811560.

The previous prime is 8389237. The next prime is 8389261. The reversal of 8389241 is 1429838.

It is a happy number.

It is not a de Polignac number, because 8389241 - 22 = 8389237 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 8 + 33 + 83 + 92 + 223 + 4 + 1 .

It is not an unprimeable number, because it can be changed into a prime (8389201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3575 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (856140).

Almost surely, 28389241 is an apocalyptic number.

It is an amenable number.

8389241 is a deficient number, since it is larger than the sum of its proper divisors (1884439).

8389241 is a wasteful number, since it uses less digits than its factorization.

8389241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044 (or 9037 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 8389241 is about 2896.4186506788. The cubic root of 8389241 is about 203.1924453269.

The spelling of 8389241 in words is "eight million, three hundred eighty-nine thousand, two hundred forty-one".

Divisors: 1 7 19 49 133 931 9011 63077 171209 441539 1198463 8389241