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3968238 = 23661373
BaseRepresentation
bin1111001000110011101110
321110121101210
433020303232
52003440423
6221015250
745505131
oct17106356
97417353
103968238
11227043a
1213b4526
13a8c291
14754218
15535b93
hex3c8cee

3968238 has 8 divisors (see below), whose sum is σ = 7936488. Its totient is φ = 1322744.

The previous prime is 3968231. The next prime is 3968291. The reversal of 3968238 is 8328693.

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

3968238 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3968196 and 3968205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968231) 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, 330681 + ... + 330692.

It is an arithmetic number, because the mean of its divisors is an integer number (992061).

Almost surely, 23968238 is an apocalyptic number.

3968238 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.

3968238 is a wasteful number, since it uses less digits than its factorization.

3968238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661378.

The product of its digits is 62208, while the sum is 39.

The square root of 3968238 is about 1992.0436742200. The cubic root of 3968238 is about 158.3188295733.

The spelling of 3968238 in words is "three million, nine hundred sixty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 661373 1322746 1984119 3968238