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243041141 = 71929611033
BaseRepresentation
bin11100111110010…
…00001101110101
3121221022202202202
432133020031311
5444204304031
640041114245
76010546520
oct1637101565
9557282682
10243041141
11115210452
1269488985
133b477135
14243c7bb7
151650c2cb
hexe7c8375

243041141 has 32 divisors (see below), whose sum is σ = 307718400. Its totient is φ = 187246080.

The previous prime is 243041081. The next prime is 243041167. The reversal of 243041141 is 141140342.

It is not a de Polignac number, because 243041141 - 26 = 243041077 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 (243041171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234761 + ... + 235793.

It is an arithmetic number, because the mean of its divisors is an integer number (9616200).

Almost surely, 2243041141 is an apocalyptic number.

It is an amenable number.

243041141 is a deficient number, since it is larger than the sum of its proper divisors (64677259).

243041141 is a wasteful number, since it uses less digits than its factorization.

243041141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 243041141 is about 15589.7768104614. The cubic root of 243041141 is about 624.0603616890.

Adding to 243041141 its reverse (141140342), we get a palindrome (384181483).

The spelling of 243041141 in words is "two hundred forty-three million, forty-one thousand, one hundred forty-one".

Divisors: 1 7 19 29 61 133 203 427 551 1033 1159 1769 3857 7231 8113 12383 19627 29957 33611 63013 137389 209699 235277 441091 569183 1197247 1827377 3984281 8380729 12791639 34720163 243041141