Search a number
-
+
530005423 = 4331224031
BaseRepresentation
bin11111100101110…
…011110110101111
31100221022001202111
4133211303312233
52041140133143
6124331504451
716063654213
oct3745636657
91327261674
10530005423
112521a0a12
121295b8127
1385a5c69c
1450566943
15317e399d
hex1f973daf

530005423 has 4 divisors (see below), whose sum is σ = 531229888. Its totient is φ = 528780960.

The previous prime is 530005397. The next prime is 530005439. The reversal of 530005423 is 324500035.

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

It is a cyclic number.

It is not a de Polignac number, because 530005423 - 29 = 530004911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530005394 and 530005403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530005453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611583 + ... + 612448.

It is an arithmetic number, because the mean of its divisors is an integer number (132807472).

Almost surely, 2530005423 is an apocalyptic number.

530005423 is a deficient number, since it is larger than the sum of its proper divisors (1224465).

530005423 is a wasteful number, since it uses less digits than its factorization.

530005423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224464.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 530005423 is about 23021.8466461750. The cubic root of 530005423 is about 809.2699936084.

Adding to 530005423 its reverse (324500035), we get a palindrome (854505458).

The spelling of 530005423 in words is "five hundred thirty million, five thousand, four hundred twenty-three".

Divisors: 1 433 1224031 530005423