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538878912 = 2631113191033
BaseRepresentation
bin100000000111101…
…010001111000000
31101112222212220020
4200013222033000
52100423111122
6125250013440
716232252355
oct4007521700
91345885806
10538878912
11257201780
12130577280
1387848580
14517d662c
1532497c5c
hex201ea3c0

538878912 has 224 divisors, whose sum is σ = 1764913920. Its totient is φ = 142663680.

The previous prime is 538878871. The next prime is 538878917. The reversal of 538878912 is 219878835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538878917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521148 + ... + 522180.

It is an arithmetic number, because the mean of its divisors is an integer number (7879080).

Almost surely, 2538878912 is an apocalyptic number.

538878912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538878912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882456960).

538878912 is an abundant number, since it is smaller than the sum of its proper divisors (1226035008).

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

538878912 is a wasteful number, since it uses less digits than its factorization.

538878912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1081 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 538878912 is about 23213.7655713157. The cubic root of 538878912 is about 813.7613573182.

The spelling of 538878912 in words is "five hundred thirty-eight million, eight hundred seventy-eight thousand, nine hundred twelve".