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538168576 = 2811223857
BaseRepresentation
bin100000000100111…
…100110100000000
31101111122210111111
4200010330310000
52100232343301
6125222453104
716223233411
oct4004746400
91344583444
10538168576
11256867020
12130294194
138765a15a
145168d808
15323a7551
hex2013cd00

538168576 has 72 divisors (see below), whose sum is σ = 1178521344. Its totient is φ = 243240960.

The previous prime is 538168571. The next prime is 538168601. The reversal of 538168576 is 675861835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538168571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627540 + ... + 628396.

It is an arithmetic number, because the mean of its divisors is an integer number (16368352).

Almost surely, 2538168576 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 538168576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589260672).

538168576 is an abundant number, since it is smaller than the sum of its proper divisors (640352768).

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

538168576 is a wasteful number, since it uses less digits than its factorization.

538168576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1093 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 538168576 is about 23198.4606385855. The cubic root of 538168576 is about 813.4036404928.

The spelling of 538168576 in words is "five hundred thirty-eight million, one hundred sixty-eight thousand, five hundred seventy-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 223 256 352 446 704 857 892 1408 1714 1784 2453 2816 3428 3568 4906 6856 7136 9427 9812 13712 14272 18854 19624 27424 28544 37708 39248 54848 57088 75416 78496 109696 150832 156992 191111 219392 301664 313984 382222 603328 627968 764444 1206656 1528888 2102221 2413312 3057776 4204442 6115552 8408884 12231104 16817768 24462208 33635536 48924416 67271072 134542144 269084288 538168576