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1384995648 = 2637619479
BaseRepresentation
bin101001010001101…
…0101101101000000
310120112010001212010
41102203111231000
510314024330043
6345233132520
746215161121
oct12243255500
93515101763
101384995648
11650880803
123279ba140
13190c2716a
14d1d28048
15818ce133
hex528d5b40

1384995648 has 56 divisors (see below), whose sum is σ = 3669670080. Its totient is φ = 461009920.

The previous prime is 1384995641. The next prime is 1384995653. The reversal of 1384995648 is 8465994831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384995641) by changing a digit.

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, 141373 + ... + 150851.

Almost surely, 21384995648 is an apocalyptic number.

It is an amenable number.

1384995648 is an abundant number, since it is smaller than the sum of its proper divisors (2284674432).

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

1384995648 is an equidigital number, since it uses as much as digits as its factorization.

1384995648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255 (or 10245 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 1384995648 is about 37215.5296616883. The cubic root of 1384995648 is about 1114.6781023630.

The spelling of 1384995648 in words is "one billion, three hundred eighty-four million, nine hundred ninety-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 761 1522 2283 3044 4566 6088 9132 9479 12176 18264 18958 24352 28437 36528 37916 48704 56874 73056 75832 113748 146112 151664 227496 303328 454992 606656 909984 1819968 7213519 14427038 21640557 28854076 43281114 57708152 86562228 115416304 173124456 230832608 346248912 461665216 692497824 1384995648