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244486285 = 5208123497
BaseRepresentation
bin11101001001010…
…01000010001101
3122001001012010121
432210221002031
51000042030120
640132104541
76026046001
oct1644510215
9561035117
10244486285
1111600818a
1269a65151
133b861b54
1424682701
15166e55aa
hexe92908d

244486285 has 8 divisors (see below), whose sum is σ = 293537016. Its totient is φ = 195486720.

The previous prime is 244486267. The next prime is 244486289. The reversal of 244486285 is 582684442.

It can be written as a sum of positive squares in 4 ways, for example, as 39967684 + 204518601 = 6322^2 + 14301^2 .

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

It is not a de Polignac number, because 244486285 - 211 = 244484237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244486289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 22153.

It is an arithmetic number, because the mean of its divisors is an integer number (36692127).

Almost surely, 2244486285 is an apocalyptic number.

It is an amenable number.

244486285 is a deficient number, since it is larger than the sum of its proper divisors (49050731).

244486285 is a wasteful number, since it uses less digits than its factorization.

244486285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583.

The product of its digits is 491520, while the sum is 43.

The square root of 244486285 is about 15636.0572076211. The cubic root of 244486285 is about 625.2948241041.

The spelling of 244486285 in words is "two hundred forty-four million, four hundred eighty-six thousand, two hundred eighty-five".

Divisors: 1 5 2081 10405 23497 117485 48897257 244486285