Search a number
-
+
6394930 = 25639493
BaseRepresentation
bin11000011001010000110010
3110000220012021
4120121100302
53114114210
6345022054
7105233053
oct30312062
913026167
106394930
113678673
12218492a
13142b9a9
14bc672a
15864bda
hex619432

6394930 has 8 divisors (see below), whose sum is σ = 11510892. Its totient is φ = 2557968.

The previous prime is 6394909. The next prime is 6394933. The reversal of 6394930 is 394936.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 199809 = 2489^2 + 447^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6394933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319737 + ... + 319756.

Almost surely, 26394930 is an apocalyptic number.

6394930 is a deficient number, since it is larger than the sum of its proper divisors (5115962).

6394930 is a wasteful number, since it uses less digits than its factorization.

6394930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639500.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 6394930 is about 2528.8198828703. The cubic root of 6394930 is about 185.6145136106.

The spelling of 6394930 in words is "six million, three hundred ninety-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 639493 1278986 3197465 6394930