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244287 = 3227143
BaseRepresentation
bin111011101000111111
3110102002200
4323220333
530304122
65122543
72035131
oct735077
9412080
10244287
1115759a
12b9453
1387264
1465051
154c5ac
hex3ba3f

244287 has 6 divisors (see below), whose sum is σ = 352872. Its totient is φ = 162852.

The previous prime is 244261. The next prime is 244291. The reversal of 244287 is 782442.

It is not a de Polignac number, because 244287 - 27 = 244159 is a prime.

It is a super-2 number, since 2×2442872 = 119352276738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13563 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (58812).

2244287 is an apocalyptic number.

244287 is a deficient number, since it is larger than the sum of its proper divisors (108585).

244287 is a wasteful number, since it uses less digits than its factorization.

244287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27149 (or 27146 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 244287 is about 494.2539832920. The cubic root of 244287 is about 62.5124881712.

The spelling of 244287 in words is "two hundred forty-four thousand, two hundred eighty-seven".

Divisors: 1 3 9 27143 81429 244287