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242516543 = 1771919841
BaseRepresentation
bin11100111010010…
…00001000111111
3121220100010011012
432131020020333
5444041012133
640021545435
76003233213
oct1635101077
9556303135
10242516543
111149922a5
126927527b
133b322419
14242cc943
1516456b48
hexe74823f

242516543 has 8 divisors (see below), whose sum is σ = 257152320. Its totient is φ = 227921920.

The previous prime is 242516479. The next prime is 242516557. The reversal of 242516543 is 345615242.

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 242516543 - 26 = 242516479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242516563) 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, 2303 + ... + 22143.

It is an arithmetic number, because the mean of its divisors is an integer number (32144040).

Almost surely, 2242516543 is an apocalyptic number.

242516543 is a deficient number, since it is larger than the sum of its proper divisors (14635777).

242516543 is a wasteful number, since it uses less digits than its factorization.

242516543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577.

The product of its digits is 28800, while the sum is 32.

The square root of 242516543 is about 15572.9426570575. The cubic root of 242516543 is about 623.6110322095.

The spelling of 242516543 in words is "two hundred forty-two million, five hundred sixteen thousand, five hundred forty-three".

Divisors: 1 17 719 12223 19841 337297 14265679 242516543