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1145568938 = 219188915959
BaseRepresentation
bin100010001000111…
…1111111010101010
32221211120221011012
41010101333322222
54321231201223
6305401303522
740250114063
oct10421777252
92854527135
101145568938
11538709998
1227b794ba2
13153447257
14ac20156a
156a887c78
hex4447feaa

1145568938 has 16 divisors (see below), whose sum is σ = 1809864000. Its totient is φ = 542316672.

The previous prime is 1145568937. The next prime is 1145568961. The reversal of 1145568938 is 8398655411.

It is not an unprimeable number, because it can be changed into a prime (1145568937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63803 + ... + 79761.

It is an arithmetic number, because the mean of its divisors is an integer number (113116500).

Almost surely, 21145568938 is an apocalyptic number.

1145568938 is a deficient number, since it is larger than the sum of its proper divisors (664295062).

1145568938 is a wasteful number, since it uses less digits than its factorization.

1145568938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17869.

The product of its digits is 1036800, while the sum is 50.

The square root of 1145568938 is about 33846.2544161093. The cubic root of 1145568938 is about 1046.3422045705.

The spelling of 1145568938 in words is "one billion, one hundred forty-five million, five hundred sixty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 19 38 1889 3778 15959 31918 35891 71782 303221 606442 30146551 60293102 572784469 1145568938