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243141201 = 32178915101
BaseRepresentation
bin11100111111000…
…00101001010001
3121221111212000200
432133200221101
5444221004301
640043205413
76011444322
oct1637405121
9557455020
10243141201
11115279646
1269516869
133b4b0844
1424412449
151652bc86
hexe7e0a51

243141201 has 12 divisors (see below), whose sum is σ = 351423540. Its totient is φ = 161992800.

The previous prime is 243141187. The next prime is 243141229. The reversal of 243141201 is 102141342.

243141201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136328976 + 106812225 = 11676^2 + 10335^2 .

It is not a de Polignac number, because 243141201 - 211 = 243139153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243141001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8551 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (29285295).

Almost surely, 2243141201 is an apocalyptic number.

It is an amenable number.

243141201 is a deficient number, since it is larger than the sum of its proper divisors (108282339).

243141201 is a wasteful number, since it uses less digits than its factorization.

243141201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16896 (or 16893 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 243141201 is about 15592.9856345730. The cubic root of 243141201 is about 624.1459917901.

Adding to 243141201 its reverse (102141342), we get a palindrome (345282543).

It can be divided in two parts, 243141 and 201, that added together give a palindrome (243342).

The spelling of 243141201 in words is "two hundred forty-three million, one hundred forty-one thousand, two hundred one".

Divisors: 1 3 9 1789 5367 15101 16101 45303 135909 27015689 81047067 243141201