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663054583 = 4178720549
BaseRepresentation
bin100111100001010…
…110100011110111
31201012122122220011
4213201112203313
52324220221313
6145443321051
722300604512
oct4741264367
91635578804
10663054583
113103057a4
12166080187
13a74a4cb9
14640bbd79
153d32593d
hex278568f7

663054583 has 8 divisors (see below), whose sum is σ = 680122800. Its totient is φ = 646029120.

The previous prime is 663054559. The next prime is 663054589. The reversal of 663054583 is 385450366.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-663054583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663054589) 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, 21993 + ... + 42541.

It is an arithmetic number, because the mean of its divisors is an integer number (85015350).

Almost surely, 2663054583 is an apocalyptic number.

663054583 is a deficient number, since it is larger than the sum of its proper divisors (17068217).

663054583 is a wasteful number, since it uses less digits than its factorization.

663054583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 663054583 is about 25749.8462713858. The cubic root of 663054583 is about 871.9998838306. Note that the first 3 decimals are identical.

The spelling of 663054583 in words is "six hundred sixty-three million, fifty-four thousand, five hundred eighty-three".

Divisors: 1 41 787 20549 32267 842509 16172063 663054583