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538793563 = 721117127463
BaseRepresentation
bin100000000111010…
…101011001011011
31101112211112211011
4200013111121123
52100412343223
6125244114351
716231445500
oct4007253133
91345745734
10538793563
11257153640
121305359b7
1387818779
14517b34a7
153247c80d
hex201d565b

538793563 has 48 divisors (see below), whose sum is σ = 731234304. Its totient is φ = 391184640.

The previous prime is 538793557. The next prime is 538793617. The reversal of 538793563 is 365397835.

It is not a de Polignac number, because 538793563 - 213 = 538785371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538793503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1163470 + ... + 1163932.

It is an arithmetic number, because the mean of its divisors is an integer number (15234048).

Almost surely, 2538793563 is an apocalyptic number.

538793563 is a deficient number, since it is larger than the sum of its proper divisors (192440741).

538793563 is a wasteful number, since it uses less digits than its factorization.

538793563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

The square root of 538793563 is about 23211.9271711765. The cubic root of 538793563 is about 813.7183931918.

The spelling of 538793563 in words is "five hundred thirty-eight million, seven hundred ninety-three thousand, five hundred sixty-three".

Divisors: 1 7 11 17 49 77 119 127 187 463 539 833 889 1309 1397 2159 3241 5093 6223 7871 9163 9779 15113 22687 23749 35651 55097 58801 68453 86581 105791 166243 249557 385679 411607 606067 646811 999617 1163701 2881249 4242469 4527677 6997319 10995787 31693739 48981233 76970509 538793563