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6402130 = 25791459
BaseRepresentation
bin11000011011000001010010
3110001021001221
4120123001102
53114332010
6345115254
7105263050
oct30330122
913037057
106402130
113683019
122188b2a
131432057
14bc91d0
15866dda
hex61b052

6402130 has 16 divisors (see below), whose sum is σ = 13170240. Its totient is φ = 2194992.

The previous prime is 6402091. The next prime is 6402139. The reversal of 6402130 is 312046.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6402139) 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, 45660 + ... + 45799.

It is an arithmetic number, because the mean of its divisors is an integer number (823140).

Almost surely, 26402130 is an apocalyptic number.

6402130 is an abundant number, since it is smaller than the sum of its proper divisors (6768110).

6402130 is a wasteful number, since it uses less digits than its factorization.

6402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91473.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6402130 is about 2530.2430713273. The cubic root of 6402130 is about 185.6841481104.

Adding to 6402130 its reverse (312046), we get a palindrome (6714176).

The spelling of 6402130 in words is "six million, four hundred two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 91459 182918 457295 640213 914590 1280426 3201065 6402130