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538544160 = 253357111619
BaseRepresentation
bin100000000110011…
…000100000100000
31101112100212201000
4200012120200200
52100331403120
6125234512000
716226356410
oct4006304040
91345325630
10538544160
11256aa3220
12130435600
138775c0ab
145174a640
153242d990
hex20198820

538544160 has 384 divisors, whose sum is σ = 2351462400. Its totient is φ = 111836160.

The previous prime is 538544129. The next prime is 538544177. The reversal of 538544160 is 61445835.

It is a happy number.

538544160 is a `hidden beast` number, since 53 + 8 + 544 + 1 + 60 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331831 + ... + 333449.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2538544160 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 538544160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175731200).

538544160 is an abundant number, since it is smaller than the sum of its proper divisors (1812918240).

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

538544160 is a wasteful number, since it uses less digits than its factorization.

538544160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 538544160 is about 23206.5542465916. The cubic root of 538544160 is about 813.5928193517.

Adding to 538544160 its reverse (61445835), we get a palindrome (599989995).

The spelling of 538544160 in words is "five hundred thirty-eight million, five hundred forty-four thousand, one hundred sixty".