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6401343 = 3131511087
BaseRepresentation
bin11000011010110100111111
3110001012222210
4120122310333
53114320333
6345111503
7105260544
oct30326477
913035883
106401343
113682473
122188593
1314318a0
14bc8bcb
15866a63
hex61ad3f

6401343 has 16 divisors (see below), whose sum is σ = 9261056. Its totient is φ = 3909600.

The previous prime is 6401341. The next prime is 6401357. The reversal of 6401343 is 3431046.

6401343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6401343 - 21 = 6401341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5346 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (578816).

Almost surely, 26401343 is an apocalyptic number.

6401343 is a deficient number, since it is larger than the sum of its proper divisors (2859713).

6401343 is a wasteful number, since it uses less digits than its factorization.

6401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6401343 is about 2530.0875478924. The cubic root of 6401343 is about 185.6765392150.

Adding to 6401343 its reverse (3431046), we get a palindrome (9832389).

The spelling of 6401343 in words is "six million, four hundred one thousand, three hundred forty-three".

Divisors: 1 3 13 39 151 453 1087 1963 3261 5889 14131 42393 164137 492411 2133781 6401343