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42448027 = 56237549
BaseRepresentation
bin1010000111101…
…1010010011011
32221212120202011
42201323102123
541331314102
64113450351
71023542116
oct241732233
987776664
1042448027
1121a62916
12122709b7
138a42b9b
1458cd57d
153ad72d7
hex287b49b

42448027 has 4 divisors (see below), whose sum is σ = 42461200. Its totient is φ = 42434856.

The previous prime is 42447983. The next prime is 42448037. The reversal of 42448027 is 72084424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42448027 - 211 = 42445979 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42448027.

It is not an unprimeable number, because it can be changed into a prime (42448037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849 + ... + 9397.

It is an arithmetic number, because the mean of its divisors is an integer number (10615300).

Almost surely, 242448027 is an apocalyptic number.

42448027 is a deficient number, since it is larger than the sum of its proper divisors (13173).

42448027 is an equidigital number, since it uses as much as digits as its factorization.

42448027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 42448027 is about 6515.2150386614. The cubic root of 42448027 is about 348.8342905075.

The spelling of 42448027 in words is "forty-two million, four hundred forty-eight thousand, twenty-seven".

Divisors: 1 5623 7549 42448027