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7983894 = 231330649
BaseRepresentation
bin11110011101001100010110
3120000121211210
4132131030112
54020441034
6443042250
7124601442
oct36351426
916017753
107983894
114563466
122810386
131866cc9
1410bb822
15a7a8e9
hex79d316

7983894 has 8 divisors (see below), whose sum is σ = 15967800. Its totient is φ = 2661296.

The previous prime is 7983893. The next prime is 7983901. The reversal of 7983894 is 4983897.

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

7983894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983893) 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, 665319 + ... + 665330.

It is an arithmetic number, because the mean of its divisors is an integer number (1995975).

Almost surely, 27983894 is an apocalyptic number.

7983894 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.

7983894 is a wasteful number, since it uses less digits than its factorization.

7983894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330654.

The product of its digits is 435456, while the sum is 48.

The square root of 7983894 is about 2825.5785248335. The cubic root of 7983894 is about 199.8656931619.

The spelling of 7983894 in words is "seven million, nine hundred eighty-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 1330649 2661298 3991947 7983894