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542804568 = 23325190107
BaseRepresentation
bin100000010110101…
…000101001011000
31101211101022212220
4200112220221120
52102424221233
6125510104040
716310522415
oct4026505130
91354338786
10542804568
11259443119
1213194b020
13885c1347
145213910c
15329c0eb3
hex205a8a58

542804568 has 32 divisors (see below), whose sum is σ = 1362432960. Its totient is φ = 180212000.

The previous prime is 542804519. The next prime is 542804573. The reversal of 542804568 is 865408245.

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 7 ways as a sum of consecutive naturals, for example, 39030 + ... + 51077.

It is an arithmetic number, because the mean of its divisors is an integer number (42576030).

Almost surely, 2542804568 is an apocalyptic number.

It is an amenable number.

542804568 is an abundant number, since it is smaller than the sum of its proper divisors (819628392).

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

542804568 is a wasteful number, since it uses less digits than its factorization.

542804568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90367 (or 90363 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 542804568 is about 23298.1666231487. The cubic root of 542804568 is about 815.7326233755.

The spelling of 542804568 in words is "five hundred forty-two million, eight hundred four thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 251 502 753 1004 1506 2008 3012 6024 90107 180214 270321 360428 540642 720856 1081284 2162568 22616857 45233714 67850571 90467428 135701142 180934856 271402284 542804568