Search a number
-
+
530243430 = 235171377589
BaseRepresentation
bin11111100110101…
…101111101100110
31100221202011020120
4133212231331212
52041220242210
6124340542410
716065665133
oct3746557546
91327664216
10530243430
11252343812
121296b1a06
1385b13b12
14505c958a
153183e270
hex1f9adf66

530243430 has 64 divisors (see below), whose sum is σ = 1357456320. Its totient is φ = 132091904.

The previous prime is 530243423. The next prime is 530243489. The reversal of 530243430 is 34342035.

It is a self number, because there is not a number n which added to its sum of digits gives 530243430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66076 + ... + 73664.

It is an arithmetic number, because the mean of its divisors is an integer number (21210255).

Almost surely, 2530243430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530243430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678728160).

530243430 is an abundant number, since it is smaller than the sum of its proper divisors (827212890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530243430 is a wasteful number, since it uses less digits than its factorization.

530243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 530243430 is about 23027.0152212570. The cubic root of 530243430 is about 809.3911138148.

Adding to 530243430 its reverse (34342035), we get a palindrome (564585465).

The spelling of 530243430 in words is "five hundred thirty million, two hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 137 170 255 274 411 510 685 822 1370 2055 2329 4110 4658 6987 7589 11645 13974 15178 22767 23290 34935 37945 45534 69870 75890 113835 129013 227670 258026 387039 645065 774078 1039693 1290130 1935195 2079386 3119079 3870390 5198465 6238158 10396930 15595395 17674781 31190790 35349562 53024343 88373905 106048686 176747810 265121715 530243430