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7993992 = 233397839
BaseRepresentation
bin11110011111101010001000
3120001010200210
4132133222020
54021301432
6443201120
7124643046
oct36375210
916033623
107993992
114570006
1228161a0
13186b796
1410c1396
15a7d8cc
hex79fa88

7993992 has 32 divisors (see below), whose sum is σ = 20059200. Its totient is φ = 2654784.

The previous prime is 7993987. The next prime is 7994017. The reversal of 7993992 is 2993997.

It is a happy number.

7993992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9109 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (626850).

Almost surely, 27993992 is an apocalyptic number.

It is an amenable number.

7993992 is an abundant number, since it is smaller than the sum of its proper divisors (12065208).

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

7993992 is a wasteful number, since it uses less digits than its factorization.

7993992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1241 counting only the distinct ones).

The product of its digits is 275562, while the sum is 48.

The square root of 7993992 is about 2827.3648508815. The cubic root of 7993992 is about 199.9499207947.

The spelling of 7993992 in words is "seven million, nine hundred ninety-three thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 397 794 839 1191 1588 1678 2382 2517 3176 3356 4764 5034 6712 9528 10068 20136 333083 666166 999249 1332332 1998498 2664664 3996996 7993992