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542688880 = 2456783611
BaseRepresentation
bin100000010110001…
…100011001110000
31101211011110012011
4200112030121300
52102412021010
6125503412304
716306531216
oct4026143160
91354143164
10542688880
11259374208
121318b4094
13885807a6
1452108cb6
153299ba8a
hex2058c670

542688880 has 20 divisors (see below), whose sum is σ = 1261751832. Its totient is φ = 217075520.

The previous prime is 542688877. The next prime is 542688899. The reversal of 542688880 is 88886245.

542688880 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×5426888802 = 589022440951308800, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3391726 + ... + 3391885.

Almost surely, 2542688880 is an apocalyptic number.

It is an amenable number.

542688880 is an abundant number, since it is smaller than the sum of its proper divisors (719062952).

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

542688880 is a wasteful number, since it uses less digits than its factorization.

542688880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783624 (or 6783618 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The square root of 542688880 is about 23295.6837203805. The cubic root of 542688880 is about 815.6746668619.

The spelling of 542688880 in words is "five hundred forty-two million, six hundred eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6783611 13567222 27134444 33918055 54268888 67836110 108537776 135672220 271344440 542688880