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542080811 = 1971401839
BaseRepresentation
bin100000010011110…
…111111100101011
31101210000120002002
4200103313330223
52102233041221
6125442401215
716301416346
oct4023677453
91353016062
10542080811
11258a99378
1213166020b
13883c9a9c
1451dcb45d
15328cb80b
hex204f7f2b

542080811 has 8 divisors (see below), whose sum is σ = 578649600. Its totient is φ = 506315880.

The previous prime is 542080801. The next prime is 542080817. The reversal of 542080811 is 118080245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-542080811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542080817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199571 + ... + 202268.

It is an arithmetic number, because the mean of its divisors is an integer number (72331200).

Almost surely, 2542080811 is an apocalyptic number.

542080811 is a deficient number, since it is larger than the sum of its proper divisors (36568789).

542080811 is a wasteful number, since it uses less digits than its factorization.

542080811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401929.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 542080811 is about 23282.6289537930. The cubic root of 542080811 is about 815.3699054788.

The spelling of 542080811 in words is "five hundred forty-two million, eighty thousand, eight hundred eleven".

Divisors: 1 19 71 1349 401839 7634941 28530569 542080811