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538497960 = 2335711134483
BaseRepresentation
bin100000000110001…
…101001110101000
31101112021112022220
4200012031032220
52100323413320
6125233514040
716226104620
oct4006151650
91345245286
10538497960
11256a71540
12130412920
1387744060
1451737880
153241ee40
hex2018d3a8

538497960 has 256 divisors, whose sum is σ = 2169538560. Its totient is φ = 103265280.

The previous prime is 538497959. The next prime is 538497991. The reversal of 538497960 is 69794835.

538497960 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 117879 + ... + 122361.

It is an arithmetic number, because the mean of its divisors is an integer number (8474760).

Almost surely, 2538497960 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 538497960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084769280).

538497960 is an abundant number, since it is smaller than the sum of its proper divisors (1631040600).

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

538497960 is a wasteful number, since it uses less digits than its factorization.

538497960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 538497960 is about 23205.5588168008. The cubic root of 538497960 is about 813.5695535016.

The spelling of 538497960 in words is "five hundred thirty-eight million, four hundred ninety-seven thousand, nine hundred sixty".