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244445825 = 52132471231
BaseRepresentation
bin11101001000111…
…11001010000001
3122000222010122002
432210133022001
51000034231300
640131153345
76025520021
oct1644371201
9560863562
10244445825
11115a8a848
1269a45855
133b849600
1424671a81
15166d85d5
hexe91f281

244445825 has 36 divisors (see below), whose sum is σ = 335478528. Its totient is φ = 176529600.

The previous prime is 244445809. The next prime is 244445827. The reversal of 244445825 is 528544442.

It is not a de Polignac number, because 244445825 - 24 = 244445809 is a prime.

It is a super-2 number, since 2×2444458252 = 119507522719861250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244445827) 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 35 ways as a sum of consecutive naturals, for example, 197960 + ... + 199190.

It is an arithmetic number, because the mean of its divisors is an integer number (9318848).

Almost surely, 2244445825 is an apocalyptic number.

244445825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244445825 is a deficient number, since it is larger than the sum of its proper divisors (91032703).

244445825 is a wasteful number, since it uses less digits than its factorization.

244445825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1296 counting only the distinct ones).

The product of its digits is 204800, while the sum is 38.

The square root of 244445825 is about 15634.7633496641. The cubic root of 244445825 is about 625.2603288845.

The spelling of 244445825 in words is "two hundred forty-four million, four hundred forty-five thousand, eight hundred twenty-five".

Divisors: 1 5 13 25 47 65 169 235 325 611 845 1175 1231 3055 4225 6155 7943 15275 16003 30775 39715 57857 80015 198575 208039 289285 400075 752141 1040195 1446425 3760705 5200975 9777833 18803525 48889165 244445825