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542785489 = 29182310267
BaseRepresentation
bin100000010110100…
…011111111010001
31101211100100201021
4200112203333101
52102423113424
6125505435441
716310412661
oct4026437721
91354310637
10542785489
1125942a854
1213193bb81
13885b575c
14521321a1
15329ba4e4
hex205a3fd1

542785489 has 8 divisors (see below), whose sum is σ = 561864960. Its totient is φ = 523730256.

The previous prime is 542785423. The next prime is 542785493. The reversal of 542785489 is 984587245.

542785489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542785489 - 213 = 542777297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542785889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47734 + ... + 58000.

It is an arithmetic number, because the mean of its divisors is an integer number (70233120).

Almost surely, 2542785489 is an apocalyptic number.

It is an amenable number.

542785489 is a deficient number, since it is larger than the sum of its proper divisors (19079471).

542785489 is a wasteful number, since it uses less digits than its factorization.

542785489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12119.

The product of its digits is 3225600, while the sum is 52.

The square root of 542785489 is about 23297.7571667317. The cubic root of 542785489 is about 815.7230658871.

The spelling of 542785489 in words is "five hundred forty-two million, seven hundred eighty-five thousand, four hundred eighty-nine".

Divisors: 1 29 1823 10267 52867 297743 18716741 542785489