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244239 = 3174789
BaseRepresentation
bin111011101000001111
3110102000220
4323220033
530303424
65122423
72035032
oct735017
9412026
10244239
11157556
12b9413
1387228
1465019
154c579
hex3ba0f

244239 has 8 divisors (see below), whose sum is σ = 344880. Its totient is φ = 153216.

The previous prime is 244219. The next prime is 244243. The reversal of 244239 is 932442.

It is a happy number.

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

It is not a de Polignac number, because 244239 - 217 = 113167 is a prime.

244239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244219) 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, 2344 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (43110).

2244239 is an apocalyptic number.

244239 is a deficient number, since it is larger than the sum of its proper divisors (100641).

244239 is a wasteful number, since it uses less digits than its factorization.

244239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809.

The product of its digits is 1728, while the sum is 24.

The square root of 244239 is about 494.2054228760. The cubic root of 244239 is about 62.5083935394.

The spelling of 244239 in words is "two hundred forty-four thousand, two hundred thirty-nine".

Divisors: 1 3 17 51 4789 14367 81413 244239