[go: up one dir, main page]

Search a number
-
+
530869 is a prime number
BaseRepresentation
bin10000001100110110101
3222222012211
42001212311
5113441434
615213421
74340503
oct2014665
9888184
10530869
11332939
12217271
13157831
14db673
15a7464
hex819b5

530869 has 2 divisors, whose sum is σ = 530870. Its totient is φ = 530868.

The previous prime is 530861. The next prime is 530897. The reversal of 530869 is 968035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508369 + 22500 = 713^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 530869 - 23 = 530861 is a prime.

It is a super-2 number, since 2×5308692 = 563643790322, which contains 22 as substring.

530869 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 530869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265434 + 265435.

It is an arithmetic number, because the mean of its divisors is an integer number (265435).

2530869 is an apocalyptic number.

It is an amenable number.

530869 is a deficient number, since it is larger than the sum of its proper divisors (1).

530869 is an equidigital number, since it uses as much as digits as its factorization.

530869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 530869 is about 728.6075761341. The cubic root of 530869 is about 80.9709289569.

It can be divided in two parts, 53086 and 9, that multiplied together give a palindrome (477774).

The spelling of 530869 in words is "five hundred thirty thousand, eight hundred sixty-nine".