Search a number
-
+
6430055 = 51286011
BaseRepresentation
bin11000100001110101100111
3110002200101012
4120201311213
53121230210
6345452435
7105440342
oct30416547
913080335
106430055
1136a1aa5
1221a111b
131441988
14bd5459
15870305
hex621d67

6430055 has 4 divisors (see below), whose sum is σ = 7716072. Its totient is φ = 5144040.

The previous prime is 6430027. The next prime is 6430069. The reversal of 6430055 is 5500346.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6430055 - 28 = 6429799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6430055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643001 + ... + 643010.

It is an arithmetic number, because the mean of its divisors is an integer number (1929018).

Almost surely, 26430055 is an apocalyptic number.

6430055 is a deficient number, since it is larger than the sum of its proper divisors (1286017).

6430055 is a wasteful number, since it uses less digits than its factorization.

6430055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286016.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 6430055 is about 2535.7553115393. The cubic root of 6430055 is about 185.9537307348.

The spelling of 6430055 in words is "six million, four hundred thirty thousand, fifty-five".

Divisors: 1 5 1286011 6430055