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542468641 = 11133793487
BaseRepresentation
bin100000010101010…
…110101000100001
31101210202021002011
4200111112220201
52102332444031
6125454552521
716304623141
oct4025265041
91353667064
10542468641
112592337a0
12131808741
1388504480
145208c921
15329566b1
hex20556a21

542468641 has 8 divisors (see below), whose sum is σ = 637305984. Its totient is φ = 455218320.

The previous prime is 542468609. The next prime is 542468651. The reversal of 542468641 is 146864245.

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

It is a cyclic number.

It is not a de Polignac number, because 542468641 - 25 = 542468609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542468594 and 542468603.

It is not an unprimeable number, because it can be changed into a prime (542468651) 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, 1896601 + ... + 1896886.

It is an arithmetic number, because the mean of its divisors is an integer number (79663248).

Almost surely, 2542468641 is an apocalyptic number.

It is an amenable number.

542468641 is a deficient number, since it is larger than the sum of its proper divisors (94837343).

542468641 is a wasteful number, since it uses less digits than its factorization.

542468641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793511.

The product of its digits is 184320, while the sum is 40.

The square root of 542468641 is about 23290.9562062188. The cubic root of 542468641 is about 815.5643103965.

The spelling of 542468641 in words is "five hundred forty-two million, four hundred sixty-eight thousand, six hundred forty-one".

Divisors: 1 11 13 143 3793487 41728357 49315331 542468641