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244340 = 22519643
BaseRepresentation
bin111011101001110100
3110102011122
4323221310
530304330
65123112
72035235
oct735164
9412148
10244340
11157638
12b9498
13872a5
146508c
154c5e5
hex3ba74

244340 has 24 divisors (see below), whose sum is σ = 540960. Its totient is φ = 92448.

The previous prime is 244339. The next prime is 244351. The reversal of 244340 is 43442.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 59 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (22540).

2244340 is an apocalyptic number.

244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270480).

244340 is an abundant number, since it is smaller than the sum of its proper divisors (296620).

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

244340 is a wasteful number, since it uses less digits than its factorization.

244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 244340 is about 494.3075965429. The cubic root of 244340 is about 62.5170087042.

Adding to 244340 its reverse (43442), we get a palindrome (287782).

The spelling of 244340 in words is "two hundred forty-four thousand, three hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 643 1286 2572 3215 6430 12217 12860 24434 48868 61085 122170 244340