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530405000 = 2354432467
BaseRepresentation
bin11111100111010…
…101011010001000
31100222001100212122
4133213111122020
52041240430000
6124344230412
716100240156
oct3747253210
91328040778
10530405000
11252444144
1212976b408
1385b6c518
145062c3d6
1531872085
hex1f9d5688

530405000 has 80 divisors (see below), whose sum is σ = 1272155280. Its totient is φ = 207144000.

The previous prime is 530404999. The next prime is 530405033. The reversal of 530405000 is 504035.

It is a self number, because there is not a number n which added to its sum of digits gives 530405000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213767 + ... + 216233.

It is an arithmetic number, because the mean of its divisors is an integer number (15901941).

Almost surely, 2530405000 is an apocalyptic number.

530405000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530405000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636077640).

530405000 is an abundant number, since it is smaller than the sum of its proper divisors (741750280).

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

530405000 is a wasteful number, since it uses less digits than its factorization.

530405000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 530405000 is about 23030.5232246252. The cubic root of 530405000 is about 809.4733150797.

Adding to 530405000 its reverse (504035), we get a palindrome (530909035).

The spelling of 530405000 in words is "five hundred thirty million, four hundred five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 125 172 200 215 250 344 430 500 625 860 1000 1075 1250 1720 2150 2467 2500 4300 4934 5000 5375 8600 9868 10750 12335 19736 21500 24670 26875 43000 49340 53750 61675 98680 106081 107500 123350 212162 215000 246700 308375 424324 493400 530405 616750 848648 1060810 1233500 1541875 2121620 2467000 2652025 3083750 4243240 5304050 6167500 10608100 12335000 13260125 21216200 26520250 53040500 66300625 106081000 132601250 265202500 530405000