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648485332 = 2211178111069
BaseRepresentation
bin100110101001110…
…001100111010100
31200012020110122021
4212221301213110
52312003012312
6144203142524
722033014535
oct4651614724
91605213567
10648485332
113030646a0
12161214a44
13a4473741
14621a868c
153bde8c07
hex26a719d4

648485332 has 48 divisors (see below), whose sum is σ = 1313686080. Its totient is φ = 276825600.

The previous prime is 648485293. The next prime is 648485351. The reversal of 648485332 is 233584846.

648485332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606094 + ... + 607162.

It is an arithmetic number, because the mean of its divisors is an integer number (27368460).

Almost surely, 2648485332 is an apocalyptic number.

It is an amenable number.

648485332 is an abundant number, since it is smaller than the sum of its proper divisors (665200748).

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

648485332 is a wasteful number, since it uses less digits than its factorization.

648485332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 648485332 is about 25465.3751592236. The cubic root of 648485332 is about 865.5657283539.

The spelling of 648485332 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 811 1069 1622 2138 3244 4276 8921 11759 13787 17842 18173 23518 27574 35684 36346 47036 55148 72692 151657 199903 303314 399806 606628 799612 866959 1733918 3467836 9536549 14738303 19073098 29476606 38146196 58953212 162121333 324242666 648485332