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544247425 = 52104920753
BaseRepresentation
bin100000011100001…
…000111010000001
31101221002122010001
4200130020322001
52103311404200
6130001040001
716326012121
oct4034107201
91357078101
10544247425
1125a239167
12132326001
13889a7cc7
14523d2c81
1532ba876a
hex20708e81

544247425 has 12 divisors (see below), whose sum is σ = 675542700. Its totient is φ = 434961920.

The previous prime is 544247399. The next prime is 544247443. The reversal of 544247425 is 524742445.

It can be written as a sum of positive squares in 6 ways, for example, as 5184 + 544242241 = 72^2 + 23329^2 .

It is not a de Polignac number, because 544247425 - 225 = 510692993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15849 + ... + 36601.

It is an arithmetic number, because the mean of its divisors is an integer number (56295225).

Almost surely, 2544247425 is an apocalyptic number.

It is an amenable number.

544247425 is a deficient number, since it is larger than the sum of its proper divisors (131295275).

544247425 is a wasteful number, since it uses less digits than its factorization.

544247425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21812 (or 21807 counting only the distinct ones).

The product of its digits is 179200, while the sum is 37.

The square root of 544247425 is about 23329.1111060837. Note that the first 4 decimals coincide. The cubic root of 544247425 is about 816.4547643102.

The spelling of 544247425 in words is "five hundred forty-four million, two hundred forty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 1049 5245 20753 26225 103765 518825 21769897 108849485 544247425