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8993994 = 235328283
BaseRepresentation
bin100010010011…
…110011001010
3121220221102220
4202103303022
54300301434
6520434510
7136306362
oct42236312
917827386
108993994
115093359
123018a36
131b2b9b9
1412a19a2
15bc9d49
hex893cca

8993994 has 16 divisors (see below), whose sum is σ = 18328032. Its totient is φ = 2941328.

The previous prime is 8993981. The next prime is 8994017. The reversal of 8993994 is 4993998.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13824 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (1145502).

Almost surely, 28993994 is an apocalyptic number.

8993994 is an abundant number, since it is smaller than the sum of its proper divisors (9334038).

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

8993994 is a wasteful number, since it uses less digits than its factorization.

8993994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28341.

The product of its digits is 629856, while the sum is 51.

The square root of 8993994 is about 2998.9988329441. The cubic root of 8993994 is about 207.9621016998.

The spelling of 8993994 in words is "eight million, nine hundred ninety-three thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 53 106 159 318 28283 56566 84849 169698 1498999 2997998 4496997 8993994