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244131 = 3194283
BaseRepresentation
bin111011100110100011
3110101212220
4323212203
530303011
65122123
72034516
oct734643
9411786
10244131
11157468
12b9343
1387174
1464d7d
154c506
hex3b9a3

244131 has 8 divisors (see below), whose sum is σ = 342720. Its totient is φ = 154152.

The previous prime is 244129. The next prime is 244141. The reversal of 244131 is 131442.

Adding to 244131 its reverse (131442), we get a palindrome (375573).

244131 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 244131 - 21 = 244129 is a prime.

It is a super-2 number, since 2×2441312 = 119199890322, which contains 22 as substring.

244131 is strictly pandigital in base 7.

244131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 244131.

It is not an unprimeable number, because it can be changed into a prime (244121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2244131 is an apocalyptic number.

244131 is a deficient number, since it is larger than the sum of its proper divisors (98589).

244131 is a wasteful number, since it uses less digits than its factorization.

244131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305.

The product of its digits is 96, while the sum is 15.

The square root of 244131 is about 494.0961444901. The cubic root of 244131 is about 62.4991786559.

The spelling of 244131 in words is "two hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 3 19 57 4283 12849 81377 244131