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244724 = 22193317
BaseRepresentation
bin111011101111110100
3110102200212
4323233310
530312344
65124552
72036324
oct735764
9412625
10244724
11157957
12b9758
138750c
1465284
154c79e
hex3bbf4

244724 has 12 divisors (see below), whose sum is σ = 431844. Its totient is φ = 121344.

The previous prime is 244721. The next prime is 244733. The reversal of 244724 is 427442.

244724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 211600 = 182^2 + 460^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 244724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244721) 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 3 ways as a sum of consecutive naturals, for example, 614 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (35987).

2244724 is an apocalyptic number.

It is an amenable number.

244724 is a deficient number, since it is larger than the sum of its proper divisors (187120).

244724 is a wasteful number, since it uses less digits than its factorization.

244724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 244724 is about 494.6958661643. The cubic root of 244724 is about 62.5497417350.

The spelling of 244724 in words is "two hundred forty-four thousand, seven hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 193 317 386 634 772 1268 61181 122362 244724