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539456020 = 225181149021
BaseRepresentation
bin100000001001110…
…111001000010100
31101121002012112121
4200021313020110
52101100043040
6125310225324
716240205035
oct4011671024
91347065477
10539456020
11257566324
121307b5244
13879bb15c
1451906a8c
153255dc4a
hex20277214

539456020 has 24 divisors (see below), whose sum is σ = 1139124168. Its totient is φ = 214588800.

The previous prime is 539455997. The next prime is 539456023. The reversal of 539456020 is 20654935.

It can be written as a sum of positive squares in 4 ways, for example, as 67436944 + 472019076 = 8212^2 + 21726^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539456023) 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 7 ways as a sum of consecutive naturals, for example, 70891 + ... + 78130.

It is an arithmetic number, because the mean of its divisors is an integer number (47463507).

Almost surely, 2539456020 is an apocalyptic number.

It is an amenable number.

539456020 is an abundant number, since it is smaller than the sum of its proper divisors (599668148).

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

539456020 is a wasteful number, since it uses less digits than its factorization.

539456020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149211 (or 149209 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 539456020 is about 23226.1925420418. The cubic root of 539456020 is about 814.0517507198.

The spelling of 539456020 in words is "five hundred thirty-nine million, four hundred fifty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 149021 298042 596084 745105 1490210 2980420 26972801 53945602 107891204 134864005 269728010 539456020