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8648238 = 231441373
BaseRepresentation
bin100000111111…
…011000101110
3121021101011010
4200333120232
54203220423
6505210050
7133336344
oct40773056
917241133
108648238
114977605
122a90926
131a3a501
141211994
15b5c693
hex83f62e

8648238 has 8 divisors (see below), whose sum is σ = 17296488. Its totient is φ = 2882744.

The previous prime is 8648221. The next prime is 8648239. The reversal of 8648238 is 8328468.

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

8648238 is an admirable number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8648196 and 8648205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648239) 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 3 ways as a sum of consecutive naturals, for example, 720681 + ... + 720692.

It is an arithmetic number, because the mean of its divisors is an integer number (2162061).

Almost surely, 28648238 is an apocalyptic number.

8648238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8648238 is a wasteful number, since it uses less digits than its factorization.

8648238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441378.

The product of its digits is 73728, while the sum is 39.

The square root of 8648238 is about 2940.7886697279. The cubic root of 8648238 is about 205.2623094674.

The spelling of 8648238 in words is "eight million, six hundred forty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 1441373 2882746 4324119 8648238