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1300240444 = 221719121183
BaseRepresentation
bin100110110000000…
…0001100000111100
310100121122001120111
41031200001200330
510130330143234
6333004355404
744135601316
oct11540014074
93317561514
101300240444
11607a51988
12303545b64
131794c0559
14c49847b6
157923b664
hex4d80183c

1300240444 has 12 divisors (see below), whose sum is σ = 2409269184. Its totient is φ = 611877824.

The previous prime is 1300240441. The next prime is 1300240453. The reversal of 1300240444 is 4440420031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300240441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9560524 + ... + 9560659.

It is an arithmetic number, because the mean of its divisors is an integer number (200772432).

Almost surely, 21300240444 is an apocalyptic number.

It is an amenable number.

1300240444 is a deficient number, since it is larger than the sum of its proper divisors (1109028740).

1300240444 is a wasteful number, since it uses less digits than its factorization.

1300240444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19121204 (or 19121202 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1300240444 is about 36058.8469588255. The cubic root of 1300240444 is about 1091.4601658030.

Adding to 1300240444 its reverse (4440420031), we get a palindrome (5740660475).

The spelling of 1300240444 in words is "one billion, three hundred million, two hundred forty thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 19121183 38242366 76484732 325060111 650120222 1300240444