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244668 = 22320389
BaseRepresentation
bin111011101110111100
3110102121210
4323232330
530312133
65124420
72036214
oct735674
9412553
10244668
11157906
12b9710
1387498
1465244
154c763
hex3bbbc

244668 has 12 divisors (see below), whose sum is σ = 570920. Its totient is φ = 81552.

The previous prime is 244667. The next prime is 244669. The reversal of 244668 is 866442.

It is an interprime number because it is at equal distance from previous prime (244667) and next prime (244669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10 and base 16.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244667) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10183 + ... + 10206.

2244668 is an apocalyptic number.

It is an amenable number.

244668 is an abundant number, since it is smaller than the sum of its proper divisors (326252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244668 is a wasteful number, since it uses less digits than its factorization.

244668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396 (or 20394 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 244668 is about 494.6392624934. The cubic root of 244668 is about 62.5449703017.

The spelling of 244668 in words is "two hundred forty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 20389 40778 61167 81556 122334 244668