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7984006 = 219971999
BaseRepresentation
bin11110011101001110000110
3120000121222221
4132131032012
54020442011
6443042554
7124601662
oct36351606
916017887
107984006
114563558
12281045a
131867084
1410bb8a2
15a7a971
hex79d386

7984006 has 8 divisors (see below), whose sum is σ = 11988000. Its totient is φ = 3988008.

The previous prime is 7984003. The next prime is 7984027. The reversal of 7984006 is 6004897.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7984001) 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, 2995 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (1498500).

Almost surely, 27984006 is an apocalyptic number.

7984006 is a deficient number, since it is larger than the sum of its proper divisors (4003994).

7984006 is a wasteful number, since it uses less digits than its factorization.

7984006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7984006 is about 2825.5983437141. The cubic root of 7984006 is about 199.8666277456.

The spelling of 7984006 in words is "seven million, nine hundred eighty-four thousand, six".

Divisors: 1 2 1997 1999 3994 3998 3992003 7984006