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42481265 = 519144483
BaseRepresentation
bin1010001000001…
…1011001110001
32221221021100012
42202003121301
541333400030
64114304305
71024041041
oct242033161
987837305
1042481265
1121a85892
1212288095
138a55058
1458db721
153ae2095
hex2883671

42481265 has 8 divisors (see below), whose sum is σ = 51245568. Its totient is φ = 33806320.

The previous prime is 42481261. The next prime is 42481267. The reversal of 42481265 is 56218424.

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

It is not a de Polignac number, because 42481265 - 22 = 42481261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42481261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21287 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (6405696).

Almost surely, 242481265 is an apocalyptic number.

It is an amenable number.

42481265 is a deficient number, since it is larger than the sum of its proper divisors (8764303).

42481265 is a wasteful number, since it uses less digits than its factorization.

42481265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44679.

The product of its digits is 15360, while the sum is 32.

The square root of 42481265 is about 6517.7653379053. The cubic root of 42481265 is about 348.9253157761.

Adding to 42481265 its reverse (56218424), we get a palindrome (98699689).

The spelling of 42481265 in words is "forty-two million, four hundred eighty-one thousand, two hundred sixty-five".

Divisors: 1 5 191 955 44483 222415 8496253 42481265