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244281493 is a prime number
BaseRepresentation
bin11101000111101…
…11000010010101
3122000122210012201
432203313002111
51000014001433
640123444501
76024233641
oct1643670225
9560583181
10244281493
11115988335
1269986731
133b7bc881
142462bc21
15166a4a7d
hexe8f7095

244281493 has 2 divisors, whose sum is σ = 244281494. Its totient is φ = 244281492.

The previous prime is 244281469. The next prime is 244281547. The reversal of 244281493 is 394182442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234181809 + 10099684 = 15303^2 + 3178^2 .

It is a cyclic number.

It is not a de Polignac number, because 244281493 - 225 = 210727061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244281463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122140746 + 122140747.

It is an arithmetic number, because the mean of its divisors is an integer number (122140747).

Almost surely, 2244281493 is an apocalyptic number.

It is an amenable number.

244281493 is a deficient number, since it is larger than the sum of its proper divisors (1).

244281493 is an equidigital number, since it uses as much as digits as its factorization.

244281493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 244281493 is about 15629.5071259461. The cubic root of 244281493 is about 625.1201842477.

It can be divided in two parts, 24428 and 1493, that added together give a square (25921 = 1612).

The spelling of 244281493 in words is "two hundred forty-four million, two hundred eighty-one thousand, four hundred ninety-three".