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20234341 = 31816361
BaseRepresentation
bin100110100110…
…0000001100101
31102002000022001
41031030001211
520134444331
62001405301
7333663151
oct115140145
942060261
1020234341
11104703a6
126939831
134265caa
14298a061
151b9a561
hex134c065

20234341 has 4 divisors (see below), whose sum is σ = 20243884. Its totient is φ = 20224800.

The previous prime is 20234329. The next prime is 20234377. The reversal of 20234341 is 14343202.

20234341 is a nontrivial binomial coefficient, being equal to C(6362, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3045025 + 17189316 = 1745^2 + 4146^2 .

It is a 3-Lehmer number, since φ(20234341) divides (20234341-1)3.

It is a cyclic number.

It is not a de Polignac number, because 20234341 - 211 = 20232293 is a prime.

It is a deceptive number, since it divides R20234340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (5060971).

It is a Poulet number, since it divides 220234340-1.

Almost surely, 220234341 is an apocalyptic number.

20234341 is the 6361-st triangular number and also the 3181-st hexagonal number.

20234341 is the 2121-st centered nonagonal number.

It is an amenable number.

20234341 is a deficient number, since it is larger than the sum of its proper divisors (9543).

20234341 is an equidigital number, since it uses as much as digits as its factorization.

20234341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20234341 is about 4498.2597746240. The cubic root of 20234341 is about 272.4978132978.

Adding to 20234341 its reverse (14343202), we get a palindrome (34577543).

It can be divided in two parts, 202 and 34341, that added together give a palindrome (34543).

The spelling of 20234341 in words is "twenty million, two hundred thirty-four thousand, three hundred forty-one".

Divisors: 1 3181 6361 20234341