Base | Representation |
---|---|
bin | 11101000111101… |
… | …11000010010101 |
3 | 122000122210012201 |
4 | 32203313002111 |
5 | 1000014001433 |
6 | 40123444501 |
7 | 6024233641 |
oct | 1643670225 |
9 | 560583181 |
10 | 244281493 |
11 | 115988335 |
12 | 69986731 |
13 | 3b7bc881 |
14 | 2462bc21 |
15 | 166a4a7d |
hex | e8f7095 |
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".
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