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648485358 = 23108080893
BaseRepresentation
bin100110101001110…
…001100111101110
31200012020110200020
4212221301213232
52312003012413
6144203143010
722033014603
oct4651614756
91605213606
10648485358
11303064714
12161214a66
13a4473761
14621a86aa
153bde8c23
hex26a719ee

648485358 has 8 divisors (see below), whose sum is σ = 1296970728. Its totient is φ = 216161784.

The previous prime is 648485351. The next prime is 648485381. The reversal of 648485358 is 853584846.

It is a happy number.

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

648485358 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 648485358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648485351) 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 3 ways as a sum of consecutive naturals, for example, 54040441 + ... + 54040452.

It is an arithmetic number, because the mean of its divisors is an integer number (162121341).

Almost surely, 2648485358 is an apocalyptic number.

648485358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648485358 is a wasteful number, since it uses less digits than its factorization.

648485358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108080898.

The product of its digits is 3686400, while the sum is 51.

The square root of 648485358 is about 25465.3756697206. The cubic root of 648485358 is about 865.5657399218.

The spelling of 648485358 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 108080893 216161786 324242679 648485358