Search a number
-
+
6395790 = 235213193
BaseRepresentation
bin11000011001011110001110
3110000221101010
4120121132032
53114131130
6345030050
7105235422
oct30313616
913027333
106395790
113679285
122185326
13142c1bb
14bc6b82
158650b0
hex61978e

6395790 has 16 divisors (see below), whose sum is σ = 15349968. Its totient is φ = 1705536.

The previous prime is 6395743. The next prime is 6395797. The reversal of 6395790 is 975936.

It is a super-2 number, since 2×63957902 = 81812259448200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106567 + ... + 106626.

It is an arithmetic number, because the mean of its divisors is an integer number (959373).

Almost surely, 26395790 is an apocalyptic number.

6395790 is an abundant number, since it is smaller than the sum of its proper divisors (8954178).

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

6395790 is a wasteful number, since it uses less digits than its factorization.

6395790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213203.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 6395790 is about 2528.9899169431. The cubic root of 6395790 is about 185.6228338125.

The spelling of 6395790 in words is "six million, three hundred ninety-five thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 213193 426386 639579 1065965 1279158 2131930 3197895 6395790