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648068484 = 22377715101
BaseRepresentation
bin100110101000001…
…011110110000100
31200011110021211110
4212220023312010
52311401142414
6144150205020
722026330330
oct4650136604
91604407743
10648068484
113028aa498
12161053770
13a4358a9b
14620da7c0
153bd65459
hex26a0bd84

648068484 has 24 divisors (see below), whose sum is σ = 1728182848. Its totient is φ = 185162400.

The previous prime is 648068479. The next prime is 648068507. The reversal of 648068484 is 484860846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857467 + ... + 3857634.

Almost surely, 2648068484 is an apocalyptic number.

It is an amenable number.

648068484 is an abundant number, since it is smaller than the sum of its proper divisors (1080114364).

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

648068484 is a wasteful number, since it uses less digits than its factorization.

648068484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715115 (or 7715113 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 648068484 is about 25457.1892399770. The cubic root of 648068484 is about 865.3802259932.

The spelling of 648068484 in words is "six hundred forty-eight million, sixty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 7715101 15430202 23145303 30860404 46290606 54005707 92581212 108011414 162017121 216022828 324034242 648068484