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20140234 = 229334369
BaseRepresentation
bin100110011010…
…1000011001010
31101220020012121
41030311003022
520123441414
61555401454
7333121612
oct114650312
941806177
1020140234
1110406724
1268b328a
1342321ca
142963a42
151b7c724
hex13350ca

20140234 has 8 divisors (see below), whose sum is σ = 30314340. Its totient is φ = 10035456.

The previous prime is 20140213. The next prime is 20140243. The reversal of 20140234 is 43204102.

It can be written as a sum of positive squares in 2 ways, for example, as 13653025 + 6487209 = 3695^2 + 2547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16599 + ... + 17770.

Almost surely, 220140234 is an apocalyptic number.

20140234 is a deficient number, since it is larger than the sum of its proper divisors (10174106).

20140234 is a wasteful number, since it uses less digits than its factorization.

20140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34664.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20140234 is about 4487.7872052939. The cubic root of 20140234 is about 272.0747073481.

Adding to 20140234 its reverse (43204102), we get a palindrome (63344336).

The spelling of 20140234 in words is "twenty million, one hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 293 586 34369 68738 10070117 20140234