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8242549543 = 19617111777
BaseRepresentation
bin1111010110100101…
…10101001100100111
3210021102210220022201
413223102311030213
5113340043041133
63441522235331
7411154341454
oct75322651447
923242726281
108242549543
11354a782518
1217204b5b47
13a14877567
145829a482b
1533395bd7d
hex1eb4b5327

8242549543 has 8 divisors (see below), whose sum is σ = 8818604720. Its totient is φ = 7680718080.

The previous prime is 8242549531. The next prime is 8242549591. The reversal of 8242549543 is 3459452428.

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

It is a de Polignac number, because none of the positive numbers 2k-8242549543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8242549493 and 8242549502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242541543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554730 + ... + 3557047.

It is an arithmetic number, because the mean of its divisors is an integer number (1102325590).

Almost surely, 28242549543 is an apocalyptic number.

8242549543 is a deficient number, since it is larger than the sum of its proper divisors (576055177).

8242549543 is a wasteful number, since it uses less digits than its factorization.

8242549543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111857.

The product of its digits is 1382400, while the sum is 46.

The square root of 8242549543 is about 90788.4879431308. The cubic root of 8242549543 is about 2020.0115627708.

The spelling of 8242549543 in words is "eight billion, two hundred forty-two million, five hundred forty-nine thousand, five hundred forty-three".

Divisors: 1 19 61 1159 7111777 135123763 433818397 8242549543