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530431326 = 232229128683
BaseRepresentation
bin11111100111011…
…011110101011110
31100222002200222200
4133213123311132
52041242300301
6124344552330
716100410005
oct3747336536
91328080880
10530431326
112524619a7
121297826a6
1385b7b4b9
1450637c3c
1531879c86
hex1f9dbd5e

530431326 has 24 divisors (see below), whose sum is σ = 1154295480. Its totient is φ = 176036976.

The previous prime is 530431301. The next prime is 530431327. The reversal of 530431326 is 623134035.

It is a happy number.

530431326 is a `hidden beast` number, since 5 + 304 + 31 + 326 = 666.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 530431326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530431327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60220 + ... + 68463.

It is an arithmetic number, because the mean of its divisors is an integer number (48095645).

Almost surely, 2530431326 is an apocalyptic number.

530431326 is an abundant number, since it is smaller than the sum of its proper divisors (623864154).

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

530431326 is a wasteful number, since it uses less digits than its factorization.

530431326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128920 (or 128917 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 530431326 is about 23031.0947633846. The cubic root of 530431326 is about 809.4867072624.

The spelling of 530431326 in words is "five hundred thirty million, four hundred thirty-one thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 229 458 687 1374 2061 4122 128683 257366 386049 772098 1158147 2316294 29468407 58936814 88405221 176810442 265215663 530431326