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530280388 = 2211174117291
BaseRepresentation
bin11111100110110…
…110111111000100
31100221211000221101
4133212312333010
52041222433023
6124341425444
716066210651
oct3746667704
91327730841
10530280388
11252369560
1212970b284
1385b278a1
14505d8c28
153184a1ad
hex1f9b6fc4

530280388 has 48 divisors (see below), whose sum is σ = 1098111168. Its totient is φ = 221312000.

The previous prime is 530280383. The next prime is 530280391. The reversal of 530280388 is 883082035.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (530280383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22023 + ... + 39313.

It is an arithmetic number, because the mean of its divisors is an integer number (22877316).

Almost surely, 2530280388 is an apocalyptic number.

It is an amenable number.

530280388 is an abundant number, since it is smaller than the sum of its proper divisors (567830780).

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

530280388 is a wasteful number, since it uses less digits than its factorization.

530280388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17364 (or 17362 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 530280388 is about 23027.8176994695. The cubic root of 530280388 is about 809.4099182483.

It can be divided in two parts, 5302803 and 88, that multiplied together give a palindrome (466646664).

The spelling of 530280388 in words is "five hundred thirty million, two hundred eighty thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 17 22 34 41 44 68 82 164 187 374 451 697 748 902 1394 1804 2788 7667 15334 17291 30668 34582 69164 190201 293947 380402 587894 708931 760804 1175788 1417862 2835724 3233417 6466834 7798241 12051827 12933668 15596482 24103654 31192964 48207308 132570097 265140194 530280388