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530645244 = 22344220437
BaseRepresentation
bin11111101000010…
…000000011111100
31100222111120102120
4133220100003330
52041321121434
6124353322540
716102260453
oct3750200374
91328446376
10530645244
11252598698
12129866450
1385c2498c
1450691b9a
15318bd349
hex1fa100fc

530645244 has 12 divisors (see below), whose sum is σ = 1238172264. Its totient is φ = 176881744.

The previous prime is 530645221. The next prime is 530645279. The reversal of 530645244 is 442546035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22110207 + ... + 22110230.

It is an arithmetic number, because the mean of its divisors is an integer number (103181022).

Almost surely, 2530645244 is an apocalyptic number.

It is an amenable number.

530645244 is an abundant number, since it is smaller than the sum of its proper divisors (707527020).

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

530645244 is a wasteful number, since it uses less digits than its factorization.

530645244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44220444 (or 44220442 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 530645244 is about 23035.7384079608. The cubic root of 530645244 is about 809.5955121134.

The spelling of 530645244 in words is "five hundred thirty million, six hundred forty-five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 44220437 88440874 132661311 176881748 265322622 530645244