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538409088 = 27327179373
BaseRepresentation
bin100000000101110…
…111100010000000
31101112010000102100
4200011313202000
52100313042323
6125231550400
716225254540
oct4005674200
91345100370
10538409088
11256a10798
1213038b400
1387712779
1451713320
1532403943
hex20177880

538409088 has 192 divisors, whose sum is σ = 1785326400. Its totient is φ = 152561664.

The previous prime is 538409059. The next prime is 538409101. The reversal of 538409088 is 880904835.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1443270 + ... + 1443642.

It is an arithmetic number, because the mean of its divisors is an integer number (9298575).

Almost surely, 2538409088 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 538409088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892663200).

538409088 is an abundant number, since it is smaller than the sum of its proper divisors (1246917312).

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

538409088 is a wasteful number, since it uses less digits than its factorization.

538409088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 538409088 is about 23203.6438517747. The cubic root of 538409088 is about 813.5247947240.

The spelling of 538409088 in words is "five hundred thirty-eight million, four hundred nine thousand, eighty-eight".