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2443128948 = 2232135220361
BaseRepresentation
bin1001000110011111…
…0011000001110100
320022021011210212100
42101213303001310
520000420111243
61042232422100
7114354152631
oct22147630164
96267153770
102443128948
11104409aa37
12582247930
132cc209740
14192689188
15e47450d3
hex919f3074

2443128948 has 36 divisors (see below), whose sum is σ = 6650741188. Its totient is φ = 751731840.

The previous prime is 2443128917. The next prime is 2443128953. The reversal of 2443128948 is 8498213442.

2443128948 is a `hidden beast` number, since 244 + 312 + 8 + 94 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 359936784 + 2083192164 = 18972^2 + 45642^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609713 + ... + 2610648.

Almost surely, 22443128948 is an apocalyptic number.

It is an amenable number.

2443128948 is an abundant number, since it is smaller than the sum of its proper divisors (4207612240).

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

2443128948 is a wasteful number, since it uses less digits than its factorization.

2443128948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220384 (or 5220379 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 2443128948 is about 49428.0178441337. The cubic root of 2443128948 is about 1346.8383163822.

The spelling of 2443128948 in words is "two billion, four hundred forty-three million, one hundred twenty-eight thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 5220361 10440722 15661083 20881444 31322166 46983249 62644332 67864693 93966498 135729386 187932996 203594079 271458772 407188158 610782237 814376316 1221564474 2443128948