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234040241 = 1722136221
BaseRepresentation
bin11011111001100…
…10101110110001
3121022101110212002
431330302232301
5434403241431
635120143345
75541211031
oct1574625661
9538343762
10234040241
11110122996
1266467b55
1339645266
14231238c1
15158303cb
hexdf32bb1

234040241 has 8 divisors (see below), whose sum is σ = 247959144. Its totient is φ = 220138240.

The previous prime is 234040231. The next prime is 234040267. The reversal of 234040241 is 142040432.

It can be written as a sum of positive squares in 4 ways, for example, as 73891216 + 160149025 = 8596^2 + 12655^2 .

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 234040241 - 222 = 229845937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234040231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34511 + ... + 40731.

It is an arithmetic number, because the mean of its divisors is an integer number (30994893).

Almost surely, 2234040241 is an apocalyptic number.

It is an amenable number.

234040241 is a deficient number, since it is larger than the sum of its proper divisors (13918903).

234040241 is a wasteful number, since it uses less digits than its factorization.

234040241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234040241 is about 15298.3738024667. The cubic root of 234040241 is about 616.2593367824.

Adding to 234040241 its reverse (142040432), we get a palindrome (376080673).

The spelling of 234040241 in words is "two hundred thirty-four million, forty thousand, two hundred forty-one".

Divisors: 1 17 2213 6221 37621 105757 13767073 234040241