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532868820 = 2235113721821
BaseRepresentation
bin11111110000101…
…110111011010100
31101010200112121020
4133300232323110
52042403300240
6124513121140
716130211261
oct3760567324
91333615536
10532868820
11253877260
1212a5591b0
1386522ac3
1450ab0268
1531bac0d0
hex1fc2eed4

532868820 has 96 divisors (see below), whose sum is σ = 1671739776. Its totient is φ = 125683200.

The previous prime is 532868801. The next prime is 532868863. The reversal of 532868820 is 28868235.

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, 13510 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (17413956).

Almost surely, 2532868820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532868820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835869888).

532868820 is an abundant number, since it is smaller than the sum of its proper divisors (1138870956).

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

532868820 is a wasteful number, since it uses less digits than its factorization.

532868820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881 (or 21879 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 532868820 is about 23083.9515681349. The cubic root of 532868820 is about 810.7247590304.

The spelling of 532868820 in words is "five hundred thirty-two million, eight hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 37 44 55 60 66 74 110 111 132 148 165 185 220 222 330 370 407 444 555 660 740 814 1110 1221 1628 2035 2220 2442 4070 4884 6105 8140 12210 21821 24420 43642 65463 87284 109105 130926 218210 240031 261852 327315 436420 480062 654630 720093 807377 960124 1200155 1309260 1440186 1614754 2400310 2422131 2880372 3229508 3600465 4036885 4800620 4844262 7200930 8073770 8881147 9688524 12110655 14401860 16147540 17762294 24221310 26643441 35524588 44405735 48442620 53286882 88811470 106573764 133217205 177622940 266434410 532868820