Search a number
-
+
6385420 = 225476793
BaseRepresentation
bin11000010110111100001100
3110000102011001
4120112330030
53113313140
6344510044
7105163246
oct30267414
913012131
106385420
113671508
12217b324
131427572
14bc3096
15861e9a
hex616f0c

6385420 has 24 divisors (see below), whose sum is σ = 13696704. Its totient is φ = 2499456.

The previous prime is 6385403. The next prime is 6385427. The reversal of 6385420 is 245836.

It is not an unprimeable number, because it can be changed into a prime (6385427) 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, 2457 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (570696).

Almost surely, 26385420 is an apocalyptic number.

It is an amenable number.

6385420 is an abundant number, since it is smaller than the sum of its proper divisors (7311284).

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

6385420 is a wasteful number, since it uses less digits than its factorization.

6385420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6385420 is about 2526.9388595690. The cubic root of 6385420 is about 185.5224578850.

The spelling of 6385420 in words is "six million, three hundred eighty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 6793 13586 27172 33965 67930 135860 319271 638542 1277084 1596355 3192710 6385420