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663450027 = 3972279897
BaseRepresentation
bin100111100010110…
…111000110101011
31201020101202100020
4213202313012223
52324320400102
6145500011523
722304142432
oct4742670653
91636352306
10663450027
11310555909
12166230ba3
13a75b2ca6
1464182119
153d3a2bbc
hex278b71ab

663450027 has 8 divisors (see below), whose sum is σ = 893720016. Its totient is φ = 437740032.

The previous prime is 663449989. The next prime is 663450031. The reversal of 663450027 is 720054366.

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

It is not a de Polignac number, because 663450027 - 212 = 663445931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663450027.

It is not an unprimeable number, because it can be changed into a prime (663450077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139658 + ... + 1140239.

It is an arithmetic number, because the mean of its divisors is an integer number (111715002).

Almost surely, 2663450027 is an apocalyptic number.

663450027 is a deficient number, since it is larger than the sum of its proper divisors (230269989).

663450027 is a wasteful number, since it uses less digits than its factorization.

663450027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279997.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 663450027 is about 25757.5236969706. The cubic root of 663450027 is about 872.1732021879.

The spelling of 663450027 in words is "six hundred sixty-three million, four hundred fifty thousand, twenty-seven".

Divisors: 1 3 97 291 2279897 6839691 221150009 663450027