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6384993 = 33835557
BaseRepresentation
bin11000010110110101100001
3110000101120020
4120112311201
53113304433
6344504053
7105162066
oct30266541
913011506
106384993
11367115a
12217b029
131427304
14bc2c6d
15861cb3
hex616d61

6384993 has 8 divisors (see below), whose sum is σ = 8537088. Its totient is φ = 4244784.

The previous prime is 6384991. The next prime is 6385009. The reversal of 6384993 is 3994836.

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

It is not a de Polignac number, because 6384993 - 21 = 6384991 is a prime.

It is a super-2 number, since 2×63849932 = 81536271220098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6384991) by changing a digit.

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, 1630 + ... + 3927.

It is an arithmetic number, because the mean of its divisors is an integer number (1067136).

Almost surely, 26384993 is an apocalyptic number.

It is an amenable number.

6384993 is a deficient number, since it is larger than the sum of its proper divisors (2152095).

6384993 is a wasteful number, since it uses less digits than its factorization.

With its successor (6384994) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (5943).

6384993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its digits is 139968, while the sum is 42.

The square root of 6384993 is about 2526.8543685777. The cubic root of 6384993 is about 185.5183224298.

Subtracting from 6384993 its sum of digits (42), we obtain a triangular number (6384951 = T3573).

The spelling of 6384993 in words is "six million, three hundred eighty-four thousand, nine hundred ninety-three".

Divisors: 1 3 383 1149 5557 16671 2128331 6384993