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6430255 = 51398927
BaseRepresentation
bin11000100001111000101111
3110002200122121
4120201320233
53121232010
6345453411
7105441046
oct30417057
913080577
106430255
1136a2167
1221a1267
131441ab0
14bd555d
158703da
hex621e2f

6430255 has 8 divisors (see below), whose sum is σ = 8309952. Its totient is φ = 4748448.

The previous prime is 6430253. The next prime is 6430261. The reversal of 6430255 is 5520346.

6430255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6430255 - 21 = 6430253 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 (6430253) 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, 49399 + ... + 49528.

It is an arithmetic number, because the mean of its divisors is an integer number (1038744).

Almost surely, 26430255 is an apocalyptic number.

6430255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6430255 is a deficient number, since it is larger than the sum of its proper divisors (1879697).

6430255 is a wasteful number, since it uses less digits than its factorization.

6430255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98945.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6430255 is about 2535.7947472144. The cubic root of 6430255 is about 185.9556586790.

Subtracting from 6430255 its reverse (5520346), we obtain a palindrome (909909).

The spelling of 6430255 in words is "six million, four hundred thirty thousand, two hundred fifty-five".

Divisors: 1 5 13 65 98927 494635 1286051 6430255