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538836480 = 29325713257
BaseRepresentation
bin100000000111011…
…111111000000000
31101112220201200200
4200013133320000
52100420231410
6125245045200
716232014560
oct4007377000
91345821620
10538836480
11257182906
12130556800
1387832170
14517c4da0
153248a3c0
hex201dfe00

538836480 has 480 divisors, whose sum is σ = 2305727424. Its totient is φ = 113246208.

The previous prime is 538836469. The next prime is 538836503. The reversal of 538836480 is 84638835.

538836480 is a `hidden beast` number, since 538 + 8 + 36 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2096512 + ... + 2096768.

Almost surely, 2538836480 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 538836480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152863712).

538836480 is an abundant number, since it is smaller than the sum of its proper divisors (1766890944).

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

538836480 is a wasteful number, since it uses less digits than its factorization.

538836480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 538836480 is about 23212.8516128458. The cubic root of 538836480 is about 813.7399978950.

The spelling of 538836480 in words is "five hundred thirty-eight million, eight hundred thirty-six thousand, four hundred eighty".